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PiHKAL#122 MEM; SI#87 MEM
122
Variant: α R2 R4 R5 isomers all
Analogues: 2 1 81 1 37 122

IUPAC: 1-(4-Ethoxy-2,5-dimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: ITZLAXJQDMGDEO-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-17-13-8-11(15-3)10(6-9(2)14)7-12(13)16-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 542053; ChemSpider: 472023; Wikipedia: 2,5-Dimethoxy-4-ethoxyamphetamine

Shulgin Index: #87 MEM; Table: 5 Page: 344 Row: 32

See also PiHKAL: #35 2C-O-4
#72 E
#73 EEE
#74 EEM
#76 EMM
#93 IRIS
#121 MEE
#136 MME
#138 MPM
 
See also TiHKAL: #19 5-HO-DMT #46 5-MeS-DMT    
See also Pharmacology notes I: p. 78.1, Subacute effects of MEM (XV-136)
p. 80, MEM: Marginal effects
p. 112, MEM: Subjective response
p. 151, MEM
See also Pharmacology notes II: app. 4, Experiment for Death Valley
p. 229, MEM
p. 260, MEM
p. 270, MEM
p. 380, MEM

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Shulgin, AT. The ethyl homologs of 2,4,5-trimethoxyphenylisopropylamine. J. Med. Chem., 1 Jan 1968, 11 (1), 186–187. 242 kB. doi:10.1021/jm00307a056

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

Two α analogues:
2068
Analogue 1: Removing Methyl at α

2C-O-2
2C-O-2
2,5-Dimethoxy-4-ethoxyphenethylamine

IUPAC: 2-(4-Ethoxy-2,5-dimethoxyphenyl)ethanamine

Formula: C12H19NO3 Molecular weight: 225.28416 g/mol InChI Key: JFXGDWIZRPHJKN-UHFFFAOYSA-N

InChI=1S/C12H19NO3/c1-4-16-12-8-10(14-2)9(5-6-13)7-11(12)15-3/h7-8H,4-6,13H2,1-3H3

PubChem CID: 57474251

Shulgin Index: See #124 TMPEA-2; Table: 5 Page: 344 Row: 31

See also PiHKAL: #35 2C-O-4      
334
Analogue 2: Substituting Ethyl for Methyl at α

4C-EtO
1-(4-Ethoxy-2,5-dimethoxyphenyl)-2-aminobutane
4-Ethoxy-α-ethyl-2,5-dimethoxyphenethylamine

IUPAC: 1-(4-Ethoxy-2,5-dimethoxyphenyl)butan-2-amine

Formula: C14H23NO3 Molecular weight: 253.33732 g/mol InChI Key: IFHFZYCBFHDQCO-NSHDSACASA-N

InChI=1S/C14H23NO3/c1-5-11(15)7-10-8-13(17-4)14(18-6-2)9-12(10)16-3/h8-9,11H,5-7,15H2,1-4H3/t11-/m0/s1

ChemSpider: 25042426

Shulgin Index: See #118 TMA-2; Table: 5 Page: 344 Row: 33

Standridge, RT; Howell, HG; Tilson, HA; Chamberlain, JH; Holava, HM; Gylys, JA; Partyka, RA; Shulgin, AT. Phenylalkylamines with potential psychotherapeutic utility. 2. Nuclear substituted 2-amino-1-phenylbutanes. J. Med. Chem., 1 Jan 1980, 23 (2), 154–162. 1125 kB. doi:10.1021/jm00176a010

One R2 analogue:
74
Analogue 1: Substituting Ethoxy for Methoxy at R2

EEM
2,4-Diethoxy-5-methoxyamphetamine

IUPAC: 1-(2,4-Diethoxy-5-methoxyphenyl)propan-2-amine

Formula: C14H23NO3 Molecular weight: 253.33732 g/mol InChI Key: SAFDWWQYGOOGMX-UHFFFAOYSA-N

InChI=1S/C14H23NO3/c1-5-17-12-9-14(18-6-2)13(16-4)8-11(12)7-10(3)15/h8-10H,5-7,15H2,1-4H3

PubChem CID: 44719558; ChemSpider: 21106297; Wikipedia: EEM (psychedelic)

Shulgin Index: See #118 TMA-2; Table: 5 Page: 344 Row: 34

See also PiHKAL: #73 EEE #122 MEM    

Shulgin, AT. The ethyl homologs of 2,4,5-trimethoxyphenylisopropylamine. J. Med. Chem., 1 Jan 1968, 11 (1), 186–187. 242 kB. doi:10.1021/jm00307a056

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

81 R4 analogues:
3
Analogue 1: Substituting Methylthio for Ethoxy at R4

ALEPH
DOT
PARA-DOT
4-Methylthio-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-methylthioamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(methylsulfanyl)phenyl]propan-2-amine

Formula: C12H19NO2S Molecular weight: 241.34976 g/mol InChI Key: COBYBOVXXDQRAU-UHFFFAOYSA-N

InChI=1S/C12H19NO2S/c1-8(13)5-9-6-11(15-3)12(16-4)7-10(9)14-2/h6-8H,5,13H2,1-4H3

PubChem CID: 143828; ChemSpider: 126887; Wikipedia: Aleph (psychedelic)

Shulgin Index: #3 ALEPH; Table: 5 Page: 345 Row: 13

See also PiHKAL: #4 ALEPH-2
#39 2C-T
#44 2C-T-8
#45 2C-T-9
#125 META-DOT
#139 ORTHO-DOT
#167 4T-MMDA-2
See also TiHKAL: #2 DBT #46 5-MeS-DMT    
See also Pharmacology notes I: p. 178, ALEPH: Trials
p. 200, Additional detail on PARADOT; additional trials

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Nichols, DE; Shulgin, AT. Sulfur analogs of psychotomimetic amines. J. Pharm. Sci., 1 Jan 1976, 65 (1), 1554–1556. 383 kB. doi:10.1002/jps.2600651040 Rhodium.

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Domelsmith, LN; Eaton, TA; Houk, KN; Anderson, GM; Glennon, RA; Shulgin, AT; Castagnoli, N; Kollman, PA. Photoelectron spectra of psychotropic drugs. 6. Relationships between physical properties and pharmacological actions of amphetamine analogues. J. Med. Chem., 1 Jan 1981, 24 (12), 1414–1421. 963 kB. doi:10.1021/jm00144a009

Jacob, P; Anderson, G; Meshul, CK; Shulgin, AT; Castagnoli, N. Monomethylthio analogues of 1-(2,4,5-trimethoxyphenyl)-2-aminopropane. J. Med. Chem., 1 Jan 1977, 20 (10), 1235–1239. 717 kB. doi:10.1021/jm00220a001

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

Shulgin, AT; Nichols, DE. Characterization of three new psychotomimetics. In The Psychopharmacology of Hallucinogens; Stillman, RC; Willette, RE, Eds., Pergamon Press, New York, 1 Jan 1978; pp 74–84. 547 kB.

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

4
Analogue 2: Substituting Ethylthio for Ethoxy at R4

ALEPH-2
4-Ethylthio-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-ethylthioamphetamine

IUPAC: 1-[4-(Ethylsulfanyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C13H21NO2S Molecular weight: 255.37634 g/mol InChI Key: MCYCODJKXUJSAT-UHFFFAOYSA-N

InChI=1S/C13H21NO2S/c1-5-17-13-8-11(15-3)10(6-9(2)14)7-12(13)16-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 10264356; ChemSpider: 8439835; Wikipedia: Aleph (psychedelic)

Shulgin Index: #4 ALEPH-2; Table: 5 Page: 345 Row: 19

See also PiHKAL: #47 2C-T-15      
See also TiHKAL: #46 5-MeS-DMT      
See also Pharmacology notes I: p. 194, ALEPH-2: Trials
See also Pharmacology notes II: p. 205, ALEPH-2
p. 220, ALEPH-2
p. 318, ALEPH-2

Reyes-Parada, M; Scorza, C; Romero, V; Silveira, R; Medina, JH; Andrus, D; Nichols, DE; Cassels, BK. (±)-1-(2,5-Dimethoxy-4-ethylthiophenyl)-2-aminopropane (ALEPH-2), a novel putative anxiolytic agent lacking affinity for benzodiazepine sites and serotonin-1A receptors. N-S. Arch. Pharmacol., 1 Nov 1996, 354 (5), 579–585. 1417 kB. doi:10.1007/BF00170831

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Acuña-Castillo, C; Scorza, C; Reyes-Parada, M; Cassels, BK; Huidobro-Toro, JP. ALEPH-2, a suspected anxiolytic and putative hallucinogenic phenylisopropylamine derivative, is a 5-HT2A and 5-HT2C receptor agonist. Life Sci., 17 Nov 2000, 67 (26), 3241–3247. 89 kB. doi:10.1016/S0024-3205(00)00906-1

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

Rezende, MC; Núñez, C; Sepúlveda-Boza, S; Cassels, BK; Hurtado-Guzmán, C. S-Oxidation products of alkylthioamphetamines. Synth. Commun., 1 Jan 2002, 32 (17), 2741–2750. 225 kB. doi:10.1081/SCC-120006041

Parrish, JC; Braden, MR; Gundy, E; Nichols, DE. Differential phospholipase C activation by phenylalkylamine serotonin 5-HT2A receptor agonists. J. Neurochem., 1 Dec 2005, 95 (6), 1575–1584. 301 kB. doi:10.1111/j.1471-4159.2005.03477.x

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Parrish, JC. Toward a molecular understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2006. 5475 kB.

Braden, MR. Towards a biophysical understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2007. 8442 kB.

5
Analogue 3: Substituting Isopropylthio for Ethoxy at R4

ALEPH-4
4-Isopropylthio-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-isopropylthioamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(propan-2-ylsulfanyl)phenyl]propan-2-amine

Formula: C14H23NO2S Molecular weight: 269.40292 g/mol InChI Key: BCWCXWKCQMBFBQ-UHFFFAOYSA-N

InChI=1S/C14H23NO2S/c1-9(2)18-14-8-12(16-4)11(6-10(3)15)7-13(14)17-5/h7-10H,6,15H2,1-5H3

PubChem CID: 44350301; ChemSpider: 21500994; Wikipedia: Aleph (psychedelic)

Shulgin Index: #5 ALEPH-4; Table: 5 Page: 345 Row: 34

See also PiHKAL: #4 ALEPH-2 #7 ALEPH-7    
See also Pharmacology notes II: app. 5, Untitled
p. 219, ALEPH-4
p. 265, ALEPH-4
p. 266, ALEPH-4
p. 268, ALEPH-4
p. 282, ALEPH-4: Report of experience
p. 294, ALEPH-4
p. 296, ALEPH-4: Report of experience
p. 297, ALEPH-4: Report of experience
p. 300, ALEPH-4
p. 301, ALEPH-4
p. 302, ALEPH-4

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

6
Analogue 4: Substituting Phenylthio for Ethoxy at R4

ALEPH-6
4-Phenylthio-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-phenylthioamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(phenylsulfanyl)phenyl]propan-2-amine

Formula: C17H21NO2S Molecular weight: 303.41914 g/mol InChI Key: CSOTVYXYZSJOFL-UHFFFAOYSA-N

InChI=1S/C17H21NO2S/c1-12(18)9-13-10-16(20-3)17(11-15(13)19-2)21-14-7-5-4-6-8-14/h4-8,10-12H,9,18H2,1-3H3

PubChem CID: 44719475; ChemSpider: 23552980; Wikipedia: Aleph (psychedelic)

Shulgin Index: See #3 ALEPH; Table: 5 Page: 346 Row: 14

See also PiHKAL: #4 ALEPH-2      
See also Pharmacology notes II: p. 221, ALEPH-6

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

7
Analogue 5: Substituting n-Propylthio for Ethoxy at R4

ALEPH-7
4-Propylthio-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-n-propylthioamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(propylsulfanyl)phenyl]propan-2-amine

Formula: C14H23NO2S Molecular weight: 269.40292 g/mol InChI Key: XHWDHFUBCVWXDZ-UHFFFAOYSA-N

InChI=1S/C14H23NO2S/c1-5-6-18-14-9-12(16-3)11(7-10(2)15)8-13(14)17-4/h8-10H,5-7,15H2,1-4H3

PubChem CID: 11197521; ChemSpider: 9372590; Wikipedia: Aleph (psychedelic)

Shulgin Index: #6 ALEPH-7; Table: 5 Page: 345 Row: 29

See also PiHKAL: #4 ALEPH-2      
See also TiHKAL: #17 4-HO-DIPT      
See also Pharmacology notes II: p. 223, ALEPH-7

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

54
Analogue 6: Removing Ethoxy at R4

2,5-DMA
DMA
DOH
2,5-Dimethoxyamphetamine

IUPAC: 1-(2,5-Dimethoxyphenyl)propan-2-amine

Formula: C11H17NO2 Molecular weight: 195.25818 g/mol InChI Key: LATVFYDIBMDBSY-UHFFFAOYSA-N

InChI=1S/C11H17NO2/c1-8(12)6-9-7-10(13-2)4-5-11(9)14-3/h4-5,7-8H,6,12H2,1-3H3

PubChem CID: 62787; ChemSpider: 56526; Wikipedia: Dimethoxyamphetamine

Shulgin Index: #38 DMA; Table: 4 Page: 330 Row: 17, #36 2,5-DMA; Table: 4 Page: 335 Row: 22

See also PiHKAL: #55 3,4-DMA
#62 DOB
#64 DOC
#67 DOI
#90 IDNNA
#124 META-DOB
#126 METHYL-DMA
See also Pharmacology notes I: p. 57, 2,5-DMA: Subacute evaluation
p. 58, 2,5-DMA: Subjective response
See also Pharmacology notes II: p. 276, 2,5-DMA

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Dyer, DC; Nichols, DE; Rusterholz, DB; Barfknecht, CF. Comparative effects of stereoisomers of psychotomimetic phenylisopropylamines. Life Sci., 1 Oct 1973, 13 (7), 885–896. 398 kB. doi:10.1016/0024-3205(73)90079-9

White, TJ; Goodman, D; Shulgin, AT; Castagnoli, N; Lee, R; Petrakis, NL. Mutagenic activity of some centrally active aromatic amines in Salmonella typhimurium. Mutat. Res., 1 Jan 1977, 56 (2), 199–202. 256 kB. doi:10.1016/0027-5107(77)90210-X

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Parker, MA; Kurrasch, DM; Nichols, DE. The role of lipophilicity in determining binding affinity and functional activity for 5-HT2A receptor ligands. Bioorg. Med. Chem., 1 Jan 2008, 16 (8), 4661–4669. 296 kB. doi:10.1016/j.bmc.2008.02.033

Nakanishi, K; Miki, A; Zaitsu, K; Kamata, H; Shima, N; Kamata, T; Katagi, M; Tatsuno, M; Tsuchihashi, H; Suzuki, K. Cross-reactivities of various phenethylamine-type designer drugs to immunoassays for amphetamines, with special attention to the evaluation of the one-step urine drug test Instant-View™, and the Emit® assays for use in drug enforcement. Forensic Sci. Int., 10 Apr 2012, 217 (1–3), 174–181. 397 kB. doi:10.1016/j.forsciint.2011.11.003

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Nichols, DE; Snyder, SE; Oberlender, R; Johnson, MP; Huang, X. 2,3-Dihydrobenzofuran analogues of hallucinogenic phenethylamines. J. Med. Chem., 1 Jan 1991, 34 (1), 276–281. 833 kB. doi:10.1021/jm00105a043

Domelsmith, LN; Eaton, TA; Houk, KN; Anderson, GM; Glennon, RA; Shulgin, AT; Castagnoli, N; Kollman, PA. Photoelectron spectra of psychotropic drugs. 6. Relationships between physical properties and pharmacological actions of amphetamine analogues. J. Med. Chem., 1 Jan 1981, 24 (12), 1414–1421. 963 kB. doi:10.1021/jm00144a009

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Glennon, RA; Liebowitz, SM; Anderson, GM. Serotonin receptor affinities of psychoactive phenalkylamine analogues. J. Med. Chem., 1 Mar 1980, 23 (3), 294–299. 844 kB. doi:10.1021/jm00177a017

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Nichols, DE; Barfknecht, CF; Rusterholz, DB; Benington, F; Morin, RD. Asymmetric synthesis of psychotomimetic phenylisopropylamines. J. Med. Chem., 1 Jan 1973, 16 (5), 480–483. 515 kB. doi:10.1021/jm00263a013

Glennon, RA; Bondarev, ML; Khorana, N; Young, R. β-Oxygenated analogues of the 5-HT2A serotonin receptor agonist 1-(4-bromo-2,5-dimethoxyphenyl)-2-aminopropane. J. Med. Chem., 1 Jan 2004, 47 (24), 6034–6041. 146 kB. doi:10.1021/jm040082s

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

Acuña-Castillo, C; Villalobos, C; Moya, PR; Sáez, P; Cassels, BK; Huidobro-Toro, JP. Differences in potency and efficacy of a series of phenylisopropylamine/phenylethylamine pairs at 5-HT2A and 5-HT2C receptors. Br. J. Pharmacol., 1 Jun 2002, 136 (4), 510–519. 232 kB. doi:10.1039/sj.bjp.0704747

Moya, PR; Berg, KA; Gutiérrez-Hernandez, MA; Sáez-Briones, P; Reyes-Parada, M; Cassels, BK; Clarke, WP. Functional selectivity of hallucinogenic phenethylamine and phenylisopropylamine derivatives at human 5-hydroxytryptamine (5-HT)2A and 5-HT2C receptors. J. Pharmacol. Exp. Ther., 1 Jun 2007, 321 (3), 1054–1061. 188 kB. doi:10.1124/jpet.106.117507

Braden, MR; Nichols, DE. Assessment of the roles of serines 5.43(239) and 5.46(242) for binding and potency of agonist ligands at the human serotonin 5-HT2A receptor. Mol. Pharmacol., 1 Jan 2007, 72 (5), 1200–1209. 487 kB. doi:10.1124/mol.107.039255

Guy, M; Freeman, S; Alder, JF; Brandt, SD. The Henry reaction: spectroscopic studies of nitrile and hydroxylamine by-products formed during synthesis of psychoactive phenylalkylamines. Cent. Eur. J. Chem., 1 Dec 2008, 6 (4), 526–534. 982 kB. doi:10.2478/s11532-008-0054-z

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

Braden, MR. Towards a biophysical understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2007. 8442 kB.

Fenderson5555. Shulgin’s syntheses of 2,5-DMA, DOB and DOEF. 5 Dec 2011.

61
Analogue 7: Substituting n-Pentyl for Ethoxy at R4

DOAM
4-Amyl-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-n-amylamphetamine

IUPAC: 1-(2,5-Dimethoxy-4-pentylphenyl)propan-2-amine

Formula: C16H27NO2 Molecular weight: 265.39108 g/mol InChI Key: VLJORLCVOAUUKM-UHFFFAOYSA-N

InChI=1S/C16H27NO2/c1-5-6-7-8-13-10-16(19-4)14(9-12(2)17)11-15(13)18-3/h10-12H,5-9,17H2,1-4H3

PubChem CID: 12262512; ChemSpider: 10440619; Wikipedia: 2,5-Dimethoxy-4-amylamphetamine

Shulgin Index: #51 DOAM; Table: 5 Page: 344 Row: 6

See also PiHKAL: #64 DOC #66 DOET #71 DOPR  
See also Pharmacology notes I: p. 170, DOAM: Trials

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

62
Analogue 8: Substituting Bromo for Ethoxy at R4

DOB
4-Bromo-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-bromoamphetamine

IUPAC: 1-(4-Bromo-2,5-dimethoxyphenyl)propan-2-amine

Formula: C11H16BrNO2 Molecular weight: 274.15424 g/mol InChI Key: FXMWUTGUCAKGQL-UHFFFAOYSA-N

InChI=1S/C11H16BrNO2/c1-7(13)4-8-5-11(15-3)9(12)6-10(8)14-2/h5-7H,4,13H2,1-3H3

PubChem CID: 62065; ChemSpider: 55902; Drugs Forum: DOB; Erowid: DOB; Wikipedia: 2,5-Dimethoxy-4-bromoamphetamine

Shulgin Index: #52 DOB; Table: 5 Page: 340 Row: 28

See also PiHKAL: #8 ARIADNE
#10 B
#22 2C-C
#26 2C-F
#39 2C-T
#52 DESOXY
#54 2,5-DMA
#64 DOC
#65 DOEF
#67 DOI
#72 E
#124 META-DOB
#156 4-TM
#162 TMA-6
See also Pharmacology notes I: p. 152, DOB
p. 171, DOB: Enantiomeric effects
See also Pharmacology notes II: p. 226, DOB

Shulgin, AT. DOB and other possible prodrugs. Ask Dr. Shulgin Online, Center for Cognitive Liberty & Ethics, 3 May 2005.

Sargent, T; Kalbhen, DA; Shulgin, AT; Braun, G; Stauffer, H; Kusubov, N. In vivo human pharmacodynamics of the psychodysleptic 4-Br-2,5-dimethoxyphenylisopropylamine labelled with 82Br or 77Br. Neuropharmacology, 1 Jan 1975, 14 (3), 165–174. 1157 kB.

Coutts, RT; Malicky, JL. The synthesis of some analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Jan 1973, 51 (9), 1402–1409. 746 kB. doi:10.1139/v73-210

Barfknecht, CF; Nichols, DE. Potential psychotomimetics. Bromomethoxyamphetamines. J. Med. Chem., 1 Jan 1971, 14 (4), 370–372. 377 kB. doi:10.1021/jm00286a026 Rhodium.

Shulgin, AT; Sargent, T; Naranjo, C. 4-Bromo-2,5-dimethoxyphenylisopropylamine, a new centrally active amphetamine analog. Pharmacology, 1 Jan 1971, 5 (2), 103–107. 1030 kB. doi:10.1159/000136181

Sargent, T; Kalbhen, DA; Shulgin, AT; Stauffer, H; Kusubov, N. A potential new brain-scanning agent: 4-77Br-2,5-dimethoxyphenylisopropylamine (4-Br-DPIA). J. Nucl. Med., 1 Jan 1975, 16 (3), 243–245. 443 kB.

Parker, MA; Kurrasch, DM; Nichols, DE. The role of lipophilicity in determining binding affinity and functional activity for 5-HT2A receptor ligands. Bioorg. Med. Chem., 1 Jan 2008, 16 (8), 4661–4669. 296 kB. doi:10.1016/j.bmc.2008.02.033

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Schultz, DM; Prescher, JA; Kidd, S; Marona-Lewicka, D; Nichols, DE; Monte, A. ‘Hybrid’ benzofuran–benzopyran congeners as rigid analogs of hallucinogenic phenethylamines. Bioorg. Med. Chem., 1 Jan 2008, 16 (11), 6242–6251. 228 kB. doi:10.1016/j.bmc.2008.04.030

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Moya, PR; Berg, KA; Gutiérrez-Hernandez, MA; Sáez-Briones, P; Reyes-Parada, M; Cassels, BK; Clarke, WP. Functional selectivity of hallucinogenic phenethylamine and phenylisopropylamine derivatives at human 5-hydroxytryptamine (5-HT)2A and 5-HT2C receptors. J. Pharmacol. Exp. Ther., 1 Jun 2007, 321 (3), 1054–1061. 188 kB. doi:10.1124/jpet.106.117507

Urban, JD; Clarke, WP; Zastrow, M; Nichols, DE; Kobilka, B; Weinstein, H; Javitch, JA; Roth, BL; Christopoulos, A; Sexton, PM; Miller, KJ; . Functional selectivity and classical concepts of quantitative pharmacology. J. Pharmacol. Exp. Ther., 1 Jan 2007, 320 (1), 1–13. 506 kB. doi:10.1124/jpet.106.104463

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Costa, JL; Wang, AY; Micke, GA; Maldaner, AO; Romano, RL; Martins-Júnior, HA; Neto, ON; Magg, MF. Chemical identification of 2,5-dimethoxy-4-bromoamphetamine (DOB). Forensic Sci. Int., 20 Dec 2007, 173 (2–3), 130–136. 285 kB. doi:10.1016/j.forsciint.2007.02.018

Dyer, DC; Nichols, DE; Rusterholz, DB; Barfknecht, CF. Comparative effects of stereoisomers of psychotomimetic phenylisopropylamines. Life Sci., 1 Oct 1973, 13 (7), 885–896. 398 kB. doi:10.1016/0024-3205(73)90079-9

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

McGraw, NP; Callery, PS; Castagnoli, N. In vitro stereoselective metabolism of the psychotomimetic amine, 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane. An apparent enantiomeric interaction. J. Med. Chem., 1 Jan 1977, 20 (2), 185–189. 661 kB. doi:10.1021/jm00212a001

Acuña-Castillo, C; Villalobos, C; Moya, PR; Sáez, P; Cassels, BK; Huidobro-Toro, JP. Differences in potency and efficacy of a series of phenylisopropylamine/phenylethylamine pairs at 5-HT2A and 5-HT2C receptors. Br. J. Pharmacol., 1 Jun 2002, 136 (4), 510–519. 232 kB. doi:10.1039/sj.bjp.0704747

Glennon, RA; Bondarev, ML; Khorana, N; Young, R. β-Oxygenated analogues of the 5-HT2A serotonin receptor agonist 1-(4-bromo-2,5-dimethoxyphenyl)-2-aminopropane. J. Med. Chem., 1 Jan 2004, 47 (24), 6034–6041. 146 kB. doi:10.1021/jm040082s

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

White, TJ; Goodman, D; Shulgin, AT; Castagnoli, N; Lee, R; Petrakis, NL. Mutagenic activity of some centrally active aromatic amines in Salmonella typhimurium. Mutat. Res., 1 Jan 1977, 56 (2), 199–202. 256 kB. doi:10.1016/0027-5107(77)90210-X

Anderson, GM; Braun, G; Braun, U; Nichols, DE; Shulgin, AT. Absolute configuration and psychotomimetic activity. In QuaSAR: Quantitative Structure Activity Relationships of Analgesics, Narcotic Antagonists, and Hallucinogens. NIDA Research Monograph 22; Barnett, G; Trsic, M; Willette, RE, Eds., U.S. Department of Health and Human Services, National Institute of Health, U.S. Government Printing Office, Washington, DC, 1 Jan 1978; pp 8–15. 457 kB.

Domelsmith, LN; Eaton, TA; Houk, KN; Anderson, GM; Glennon, RA; Shulgin, AT; Castagnoli, N; Kollman, PA. Photoelectron spectra of psychotropic drugs. 6. Relationships between physical properties and pharmacological actions of amphetamine analogues. J. Med. Chem., 1 Jan 1981, 24 (12), 1414–1421. 963 kB. doi:10.1021/jm00144a009

Shulgin, AT. Profiles of psychedelic drugs. 10. DOB. J. Psychoactive Drugs, 1 Jan 1981, 13 (1), 99. 775 kB.

Lemaire, D; Jacob, P; Shulgin, AT. Ring substituted beta-methoxyphenethylamines: a new class of psychotomimetic agents active in man. J. Pharm. Pharmacol., 1 Jan 1985, 37 (8), 575–7. 1767 kB.

Nichols, DE; Barfknecht, CF; Rusterholz, DB; Benington, F; Morin, RD. Asymmetric synthesis of psychotomimetic phenylisopropylamines. J. Med. Chem., 1 Jan 1973, 16 (5), 480–483. 515 kB. doi:10.1021/jm00263a013

Nichols, DE; Snyder, SE; Oberlender, R; Johnson, MP; Huang, X. 2,3-Dihydrobenzofuran analogues of hallucinogenic phenethylamines. J. Med. Chem., 1 Jan 1991, 34 (1), 276–281. 833 kB. doi:10.1021/jm00105a043

Silva, ME; Heim, R; Strasser, A; Elz, S; Dove, S. Theoretical studies on the interaction of partial agonists with the 5-HT2A receptor. J. Comput. Aided Mol. Des., 1 Jan 2011, 25 (1), 51–66. 834 kB. doi:10.1007/s10822-010-9400-2

Parrish, JC. Toward a molecular understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2006. 5475 kB.

Cozzi, NV. Pharmacological studies of some psychoactive phenylalkylamines: entactogens, hallucinogens, and anorectics. Ph. D. Thesis, University Of Wisconsin-Madison, 1 Jan 1994. 10616 kB.

Ewald, AH. The 2,5-Dimethoxyamphetamines—A new class of designer drugs. Ph. D. Thesis, Universität des Saarlandes, Saarbrücken, Germany, 1 Jan 2008. 195 kB.

Silva, ME. Theoretical study of the interaction of agonists with the 5-HT2A receptor. Ph. D. Thesis, Universität Regensburg, Regensburg, Germany, 26 Aug 2008. 5904 kB.

Rasmussen, K; Glennon, RA; Aghajanian, GK. Phenethylamine hallucinogens in the locus coeruleus: potency of action correlates with rank order of 5-HT2 binding affinity. Eur. J. Pharmacol., 2 Dec 1986, 132 (1), 79–82. 267 kB. doi:10.1016/0014-2999(86)90014-2

Bailey, K; Gagné, DR; Pike, RK. Investigation and identification of the bromination products of dimethoxyamphetamines. J. Assoc. Off. Anal. Chem., 1 Jan 1976, 59 (5), 1162–1169. 1916 kB.

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Delliou, D. 4-Bromo-2,5-dimethoxyamphetamine: Psychoactivity, toxic effects and analytical methods. Forensic Sci. Int., 1 May 1983, 21 (3), 259–267. 1358 kB. doi:10.1016/0379-0738(83)90131-7

Fenderson5555. Shulgin’s syntheses of 2,5-DMA, DOB and DOEF. 5 Dec 2011.

Parrish, JC; Braden, MR; Gundy, E; Nichols, DE. Differential phospholipase C activation by phenylalkylamine serotonin 5-HT2A receptor agonists. J. Neurochem., 1 Dec 2005, 95 (6), 1575–1584. 301 kB. doi:10.1111/j.1471-4159.2005.03477.x

Glennon, RA; Liebowitz, SM; Anderson, GM. Serotonin receptor affinities of psychoactive phenalkylamine analogues. J. Med. Chem., 1 Mar 1980, 23 (3), 294–299. 844 kB. doi:10.1021/jm00177a017

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

Nakanishi, K; Miki, A; Zaitsu, K; Kamata, H; Shima, N; Kamata, T; Katagi, M; Tatsuno, M; Tsuchihashi, H; Suzuki, K. Cross-reactivities of various phenethylamine-type designer drugs to immunoassays for amphetamines, with special attention to the evaluation of the one-step urine drug test Instant-View™, and the Emit® assays for use in drug enforcement. Forensic Sci. Int., 10 Apr 2012, 217 (1–3), 174–181. 397 kB. doi:10.1016/j.forsciint.2011.11.003

63
Analogue 9: Substituting n-Butyl for Ethoxy at R4

DOBU
4-Butyl-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-n-butylamphetamine

IUPAC: 1-(4-Butyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C15H25NO2 Molecular weight: 251.3645 g/mol InChI Key: NGVDYAULSQKEGW-UHFFFAOYSA-N

InChI=1S/C15H25NO2/c1-5-6-7-12-9-15(18-4)13(8-11(2)16)10-14(12)17-3/h9-11H,5-8,16H2,1-4H3

PubChem CID: 10060720; ChemSpider: 8236274; Wikipedia: 2,5-Dimethoxy-4-butylamphetamine

Shulgin Index: #53 DOBU; Table: 5 Page: 343 Row: 36

See also PiHKAL: #61 DOAM      
See also Pharmacology notes I: p. 166, DOBU
p. 167, DOBU

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Shulgin, AT. 4-Alkyl-dialkoxy-alpha-methyl-phenethylamines and their pharmacologically-acceptable salts. U S. Patent 3,547,999, 15 Dec 1970. 448 kB.

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

64
Analogue 10: Substituting Chloro for Ethoxy at R4

DOC
4-Chloro-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-chloroamphetamine

IUPAC: 1-(4-Chloro-2,5-dimethoxyphenyl)propan-2-amine

Formula: C11H16ClNO2 Molecular weight: 229.70324 g/mol InChI Key: ACRITBNCBMTINK-UHFFFAOYSA-N

InChI=1S/C11H16ClNO2/c1-7(13)4-8-5-11(15-3)9(12)6-10(8)14-2/h5-7H,4,13H2,1-3H3

PubChem CID: 542036; ChemSpider: 472008; Drugs Forum: DOC; Erowid: DOC; Wikipedia: 2,5-Dimethoxy-4-chloroamphetamine

Shulgin Index: #54 DOC; Table: 5 Page: 340 Row: 20

See also PiHKAL: #22 2C-C #39 2C-T    
See also Pharmacology notes I: p. 162, DOC

Coutts, RT; Malicky, JL. The synthesis of some analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Jan 1973, 51 (9), 1402–1409. 746 kB. doi:10.1139/v73-210

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Ewald, AH. The 2,5-Dimethoxyamphetamines—A new class of designer drugs. Ph. D. Thesis, Universität des Saarlandes, Saarbrücken, Germany, 1 Jan 2008. 195 kB.

Nakanishi, K; Miki, A; Zaitsu, K; Kamata, H; Shima, N; Kamata, T; Katagi, M; Tatsuno, M; Tsuchihashi, H; Suzuki, K. Cross-reactivities of various phenethylamine-type designer drugs to immunoassays for amphetamines, with special attention to the evaluation of the one-step urine drug test Instant-View™, and the Emit® assays for use in drug enforcement. Forensic Sci. Int., 10 Apr 2012, 217 (1–3), 174–181. 397 kB. doi:10.1016/j.forsciint.2011.11.003

65
Analogue 11: Substituting 2-Fluoroethyl for Ethoxy at R4

DOEF
4-(2-Fluoroethyl)-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-(2-fluoroethyl)amphetamine

IUPAC: 1-[4-(2-Fluoroethyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C13H20FNO2 Molecular weight: 241.3018032 g/mol InChI Key: QLENKWFQUHHBKZ-UHFFFAOYSA-N

InChI=1S/C13H20FNO2/c1-9(15)6-11-8-12(16-2)10(4-5-14)7-13(11)17-3/h7-9H,4-6,15H2,1-3H3

PubChem CID: 14201982; ChemSpider: 21106293; Wikipedia: 2,5-Dimethoxy-4-(2-fluoroethyl)amphetamine

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 24

See also PiHKAL: #49 2C-T-21      

Gerdes, JM; Mathis, CA; Shulgin, AT. Synthesis of 1-[2′,5′-dimethoxy-4′-(p-β;-fluoroethyl)phenyl]-2-aminopropane: Studies related to 18F-labeled serotonin receptor ligands. Tetrahedron Lett., 1 Jan 1988, 129 (50), 6537–6540. 268 kB. doi:10.1016/S0040-4039(00)82391-6

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Gerdes, JM; Keil, RN; Shulgin, AT; Mathis, CA. High pressure nucleophilic fluoride-ion substitution reactions: formation of fluoroalkylbenzenes. J. Fluorine Chem., 1 Jan 1996, 78 (2), 121–129. 900 kB. doi:10.1016/0022-1139(96)03417-3

Fenderson5555. Shulgin’s syntheses of 2,5-DMA, DOB and DOEF. 5 Dec 2011.

66
Analogue 12: Substituting Ethyl for Ethoxy at R4

DOET
HECATE
4-Ethyl-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-ethylamphetamine

IUPAC: 1-(4-Ethyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C13H21NO2 Molecular weight: 223.31134 g/mol InChI Key: HXJKWPGVENNMCC-UHFFFAOYSA-N

InChI=1S/C13H21NO2/c1-5-10-7-13(16-4)11(6-9(2)14)8-12(10)15-3/h7-9H,5-6,14H2,1-4H3

PubChem CID: 27402; ChemSpider: 25499; Wikipedia: 2,5-Dimethoxy-4-ethylamphetamine

Shulgin Index: #56 DOET; Table: 5 Page: 343 Row: 13

See also PiHKAL: #8 ARIADNE
#14 BOD
#24 2C-E
#61 DOAM
#65 DOEF
#72 E
#85 GANESHA
#162 TMA-6
#170 5-TOET
 
See also Pharmacology notes I: p. 95, DOET: Subacute evaluation
p. 110, DOET: Subjective response
p. 111, DOET: Subjective response
See also Pharmacology notes II: app. 4, Experiment for Death Valley
p. 213, DOET

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Snyder, SH; Weingartner, H; Faillace., LA. DOET (2,5-dimethoxy-4-ethylamphetamine) and DOM (STP) (2,5-dimethoxy-4-methylamphetamine), new psychotropic agents: Their effects in man. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 247–264. 2550 kB.

Parker, MA; Kurrasch, DM; Nichols, DE. The role of lipophilicity in determining binding affinity and functional activity for 5-HT2A receptor ligands. Bioorg. Med. Chem., 1 Jan 2008, 16 (8), 4661–4669. 296 kB. doi:10.1016/j.bmc.2008.02.033

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Dyer, DC; Nichols, DE; Rusterholz, DB; Barfknecht, CF. Comparative effects of stereoisomers of psychotomimetic phenylisopropylamines. Life Sci., 1 Oct 1973, 13 (7), 885–896. 398 kB. doi:10.1016/0024-3205(73)90079-9

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

Shulgin, AT. 4-Alkyl-dialkoxy-alpha-methyl-phenethylamines and their pharmacologically-acceptable salts. U S. Patent 3,547,999, 15 Dec 1970. 448 kB.

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

Anderson, GM; Braun, G; Braun, U; Nichols, DE; Shulgin, AT. Absolute configuration and psychotomimetic activity. In QuaSAR: Quantitative Structure Activity Relationships of Analgesics, Narcotic Antagonists, and Hallucinogens. NIDA Research Monograph 22; Barnett, G; Trsic, M; Willette, RE, Eds., U.S. Department of Health and Human Services, National Institute of Health, U.S. Government Printing Office, Washington, DC, 1 Jan 1978; pp 8–15. 457 kB.

Nichols, DE; Barfknecht, CF; Rusterholz, DB; Benington, F; Morin, RD. Asymmetric synthesis of psychotomimetic phenylisopropylamines. J. Med. Chem., 1 Jan 1973, 16 (5), 480–483. 515 kB. doi:10.1021/jm00263a013

Shulgin, AT; Shulgin, LA; Jacob, P. A protocol for the evaluation of new psychoactive drugs. Meth. Find. Exp. Clin. Pharmacol., 1 May 1986, 8 (5), 313. 7938 kB.

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Glennon, RA; Liebowitz, SM; Anderson, GM. Serotonin receptor affinities of psychoactive phenalkylamine analogues. J. Med. Chem., 1 Mar 1980, 23 (3), 294–299. 844 kB. doi:10.1021/jm00177a017

67
Analogue 13: Substituting Iodo for Ethoxy at R4

DOI
4-Iodo-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-iodoamphetamine

IUPAC: 1-(4-Iodo-2,5-dimethoxyphenyl)propan-2-amine

Formula: C11H16INO2 Molecular weight: 321.15471 g/mol InChI Key: BGMZUEKZENQUJY-UHFFFAOYSA-N

InChI=1S/C11H16INO2/c1-7(13)4-8-5-11(15-3)9(12)6-10(8)14-2/h5-7H,4,13H2,1-3H3

PubChem CID: 1229; ChemSpider: 1192; Erowid: DOI; Wikipedia: 2,5-Dimethoxy-4-iodoamphetamine

Shulgin Index: #58 DOI; Table: 5 Page: 341 Row: 12

See also PiHKAL: #22 2C-C
#26 2C-F
#33 2C-I
#39 2C-T
#54 2,5-DMA
#62 DOB
#64 DOC
#65 DOEF
#71 DOPR
#72 E
#90 IDNNA
#105 MDDM
#162 TMA-6
See also TiHKAL: #51 PRO-LAD      
See also Pharmacology notes I: p. 173, DOI: Trials

Braun, U; Shulgin, AT; Braun, G; Sargent, T. Synthesis and body distribution of several iodine-131-labeled central nervous system active drugs. J. Med. Chem., 1 Jan 1977, 20 (12), 1543–1546. 1124 kB. doi:10.1021/jm00222a001

Coutts, RT; Malicky, JL. The synthesis of some analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Jan 1973, 51 (9), 1402–1409. 746 kB. doi:10.1139/v73-210

Sargent, T; Budinger, TF; Braun, G; Shulgin, AT; Braun, U. An iodinated catecholamine congener for brain imaging and metabolic studies. J. Nucl. Med., 1 Jan 1978, 19 (1), 71–76. 922 kB.

Braun, G; Shulgin, AT; Sargent, T. Synthesis of 123I-labelled 4-iodo-2,5-dimethoxyphenylisopropylamine. J. Labelled Compd. Radiopharm., 1 Jan 1978, 14 (5), 767–773. 291 kB. doi:10.1002/jlcr.2580140515 Rhodium.

Braden, MR. Towards a biophysical understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2007. 8442 kB.

Parker, MA; Kurrasch, DM; Nichols, DE. The role of lipophilicity in determining binding affinity and functional activity for 5-HT2A receptor ligands. Bioorg. Med. Chem., 1 Jan 2008, 16 (8), 4661–4669. 296 kB. doi:10.1016/j.bmc.2008.02.033

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Sargent, T; Shulgin, AT; Mathis, CA. New iodinated amphetamines by rapid synthesis for use as brain blood flow indicators. J. Labelled Compd. Radiopharm., 1 Jan 1984, 19 (11–12), 1307–1308. 84 kB. doi:10.1002/jlcr.2580191102

Sargent, T; Shulgin, AT; Mathis, CA. Radiohalogen-labeled imaging agents. 3. Compounds for measurement of brain blood flow by emission tomography. J. Med. Chem., 1 Jan 1984, 27 (8), 1071–1077. 1859 kB. doi:10.1021/jm00374a023 Rhodium.

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Schindler, EAD; Dave, KD; Smolock, EM; Aloyo, VJ; Harvey, JA. Serotonergic and dopaminergic distinctions in the behavioral pharmacology of (±)-1-(2,5-dimethoxy-4-iodophenyl)-2-aminopropane (DOI) and lysergic acid diethylamide (LSD). Pharmacol. Biochem. Behav., 1 Mar 2012, 101 (1), 69–76. 722 kB. doi:10.1016/j.pbb.2011.12.002

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Moya, PR; Berg, KA; Gutiérrez-Hernandez, MA; Sáez-Briones, P; Reyes-Parada, M; Cassels, BK; Clarke, WP. Functional selectivity of hallucinogenic phenethylamine and phenylisopropylamine derivatives at human 5-hydroxytryptamine (5-HT)2A and 5-HT2C receptors. J. Pharmacol. Exp. Ther., 1 Jun 2007, 321 (3), 1054–1061. 188 kB. doi:10.1124/jpet.106.117507

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Fox, MA; French, HT; LaPorte, JL; Blackler, AR; Murphy, DL. The serotonin 5-HT2A receptor agonist TCB-2: A behavioral and neurophysiological analysis. Psychopharmacology, 1 Sep 2010, 212 (1), 13–23. 240 kB. doi:10.1007/s00213-009-1694-1

Marona-Lewicka, D; Kurrasch-Orbaugh, DM; Selken, JR; Cumbay, MG; Lisnicchia, JG; Nichols, DE. Re-evaluation of lisuride pharmacology: 5-hydroxytryptamine1A receptor-mediated behavioural effects overlap its other properties in rats. Psychopharmacology, 1 Oct 2002, 164 (1), 93–107. 293 kB. doi:10.1007/s00213-002-1141-z

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Acuña-Castillo, C; Villalobos, C; Moya, PR; Sáez, P; Cassels, BK; Huidobro-Toro, JP. Differences in potency and efficacy of a series of phenylisopropylamine/phenylethylamine pairs at 5-HT2A and 5-HT2C receptors. Br. J. Pharmacol., 1 Jun 2002, 136 (4), 510–519. 232 kB. doi:10.1039/sj.bjp.0704747

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Braden, MR; Nichols, DE. Assessment of the roles of serines 5.43(239) and 5.46(242) for binding and potency of agonist ligands at the human serotonin 5-HT2A receptor. Mol. Pharmacol., 1 Jan 2007, 72 (5), 1200–1209. 487 kB. doi:10.1124/mol.107.039255

Braden, MR; Parrish, JC; Naylor, JC; Nichols, DE. Molecular interaction of serotonin 5-HT2A receptor residues Phe339(6.51) and Phe340(6.52) with superpotent N-benzyl phenethylamine agonists. Mol. Pharmacol., 1 Jan 2006, 70 (6), 1956–1964. 361 kB. doi:10.1124/mol.106.028720

McKenna, DJ; Mathis, CA; Shulgin, AT; Sargent, T; Saavedra, JM. Autoradiographic localization of binding sites for 125I-DOI, a new psychotomimetic radioligand, in the rat brain. Eur. J. Pharmacol., 1 Jan 1987, 137 (2–3), 289–290. 232 kB. doi:10.1016/0014-2999(87)90239-1

Huang, X; Nichols, DE. 5-HT2 receptor-mediated potentiation of dopamine synthesis and central serotonergic deficits. Eur. J. Pharmacol., 1 Jan 1993, 238 (2–3), 291–296. 553 kB. doi:10.1016/0014-2999(93)90859-G

Silva, ME; Heim, R; Strasser, A; Elz, S; Dove, S. Theoretical studies on the interaction of partial agonists with the 5-HT2A receptor. J. Comput. Aided Mol. Des., 1 Jan 2011, 25 (1), 51–66. 834 kB. doi:10.1007/s10822-010-9400-2

Moreno, JL; Holloway, T; Albizu, L; Sealfon, SC; González-Maeso, J. Metabotropic glutamate mGlu2 receptor is necessary for the pharmacological and behavioral effects induced by hallucinogenic 5-HT2A receptor agonists. Neurosci. Lett., 15 Apr 2011, 493 (3), 76–79. 196 kB. doi:10.1016/j.neulet.2011.01.046

Parrish, JC. Toward a molecular understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2006. 5475 kB.

Cozzi, NV. Pharmacological studies of some psychoactive phenylalkylamines: entactogens, hallucinogens, and anorectics. Ph. D. Thesis, University Of Wisconsin-Madison, 1 Jan 1994. 10616 kB.

Ewald, AH. The 2,5-Dimethoxyamphetamines—A new class of designer drugs. Ph. D. Thesis, Universität des Saarlandes, Saarbrücken, Germany, 1 Jan 2008. 195 kB.

Silva, ME. Theoretical study of the interaction of agonists with the 5-HT2A receptor. Ph. D. Thesis, Universität Regensburg, Regensburg, Germany, 26 Aug 2008. 5904 kB.

Sargent, T; Braun, G; Braun, U; Budinger, TF; Shulgin, AT. Brain and retina uptake of a radio-iodine labeled psychotomimetic in dog and monkey. Commun. Psychopharmacol., 1 Jan 1978, 2 (1), 1–10. 1988 kB.

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Parrish, JC; Braden, MR; Gundy, E; Nichols, DE. Differential phospholipase C activation by phenylalkylamine serotonin 5-HT2A receptor agonists. J. Neurochem., 1 Dec 2005, 95 (6), 1575–1584. 301 kB. doi:10.1111/j.1471-4159.2005.03477.x

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

Nakanishi, K; Miki, A; Zaitsu, K; Kamata, H; Shima, N; Kamata, T; Katagi, M; Tatsuno, M; Tsuchihashi, H; Suzuki, K. Cross-reactivities of various phenethylamine-type designer drugs to immunoassays for amphetamines, with special attention to the evaluation of the one-step urine drug test Instant-View™, and the Emit® assays for use in drug enforcement. Forensic Sci. Int., 10 Apr 2012, 217 (1–3), 174–181. 397 kB. doi:10.1016/j.forsciint.2011.11.003

68
Analogue 14: Substituting Methyl for Ethoxy at R4

DOM
STP
4-Methyl-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-methylamphetamine

IUPAC: 1-(2,5-Dimethoxy-4-methylphenyl)propan-2-amine

Formula: C12H19NO2 Molecular weight: 209.28476 g/mol InChI Key: NTJQREUGJKIARY-UHFFFAOYSA-N

InChI=1S/C12H19NO2/c1-8-5-12(15-4)10(6-9(2)13)7-11(8)14-3/h5,7,9H,6,13H2,1-4H3

PubChem CID: 85875; ChemSpider: 77462; Erowid: DOM; Wikipedia: 2,5-Dimethoxy-4-methylamphetamine

Shulgin Index: #60 DOM; Table: 5 Page: 342 Row: 15

See also PiHKAL: #4 ALEPH-2
#8 ARIADNE
#11 BEATRICE
#12 BIS-TOM
#14 BOD
#23 2C-D
#52 DESOXY
#56 DMCPA
#58 DMMDA
#59 DMMDA-2
#61 DOAM
#63 DOBU
#64 DOC
#66 DOET
#67 DOI
#69 Ψ-DOM
#71 DOPR
#79 F-2
#85 GANESHA
#93 IRIS
#123 MEPEA
#125 META-DOT
#127 METHYL-DOB
#142 PEA
#162 TMA-6
#167 4T-MMDA-2
#170 5-TOET
#171 2-TOM
See also TiHKAL: #2 DBT #17 4-HO-DIPT    
See also Pharmacology notes I: p. 84.1, nor-oxy-4-TMA-2 (XV-198)
p. 88, DOM: Subjective response
p. 89, DOM: Subjective response
p. 92, DOM: Subjective response
p. 101, DOM: Animal pharmacology
p. 102, DOM: Subjective response
p. 103, DOM: Subjective response
p. 106, DOM: Subjective response
p. 165, DOM: Enantiomeric effects
See also Pharmacology notes II: p. 212, DOM
p. 216, DOM

Snyder, SH; Weingartner, H; Faillace., LA. DOET (2,5-dimethoxy-4-ethylamphetamine) and DOM (STP) (2,5-dimethoxy-4-methylamphetamine), new psychotropic agents: Their effects in man. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 247–264. 2550 kB.

Standridge, RT; Howell, HG; Gylys, JA; Partyka, RA; Shulgin, AT. Phenylalkylamines with potential psychotherapeutic utility. 1. 2-Amino-1-(2,5-dimethoxy-4-methylphenyl)butane. J. Med. Chem., 1 Jan 1976, 19 (12), 1400 –1404. 730 kB. doi:10.1021/jm00234a010

Barfknecht, CF; Caputo, JF; Tobin, MB; Dyer, DC; Standridge, RT; Howell, HG; Goodwin, WR; Partyka, RA; Gylys, JA; Cavanagh, RL. Congeners of DOM: Effect of distribution on the evaluation of pharmacologic data. In QuaSAR: Quantitative Structure Activity Relationships of Analgesics, Narcotic Antagonists, and Hallucinogens. NIDA Research Monograph 22; Barnett, G; Trsic, M; Willette, RE, Eds., U.S. Department of Health and Human Services, National Institute of Health, U.S. Government Printing Office, Washington, DC, 1 Jan 1978; pp 16–26. 502 kB.

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Hollister, LE; Macnicol, MF; Gillespie, HK. An hallucinogenic amphetamine analog (DOM) in man. Psychopharmacology, 1 Jan 1969, 14 (1), 62–73. 667 kB. doi:10.1007/BF00401535

Braden, MR. Towards a biophysical understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2007. 8442 kB.

Parker, MA; Kurrasch, DM; Nichols, DE. The role of lipophilicity in determining binding affinity and functional activity for 5-HT2A receptor ligands. Bioorg. Med. Chem., 1 Jan 2008, 16 (8), 4661–4669. 296 kB. doi:10.1016/j.bmc.2008.02.033

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Moya, PR; Berg, KA; Gutiérrez-Hernandez, MA; Sáez-Briones, P; Reyes-Parada, M; Cassels, BK; Clarke, WP. Functional selectivity of hallucinogenic phenethylamine and phenylisopropylamine derivatives at human 5-hydroxytryptamine (5-HT)2A and 5-HT2C receptors. J. Pharmacol. Exp. Ther., 1 Jun 2007, 321 (3), 1054–1061. 188 kB. doi:10.1124/jpet.106.117507

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Dyer, DC; Nichols, DE; Rusterholz, DB; Barfknecht, CF. Comparative effects of stereoisomers of psychotomimetic phenylisopropylamines. Life Sci., 1 Oct 1973, 13 (7), 885–896. 398 kB. doi:10.1016/0024-3205(73)90079-9

Lyon, RA; Titeler, M; Seggel, MR; Glennon, RA. Indolealkylamine analogs share 5-HT2 binding characteristics with phenylalkylamine hallucinogens. Eur. J. Pharmacol., 19 Jan 1988, 145 (3), 291–297. 533 kB. doi:10.1016/0014-2999(88)90432-3

Glennon, RA; Young, R; Jacyno, JM. Indolealkylamine and phenalkylamine hallucinogens: Effect of &alpha-methyl and N-methyl substituents on behavioral activity. Biochem. Pharmacol., 1 Apr 1983, 32 (7), 1267–1273. 591 kB. doi:10.1016/0006-2952(83)90281-2

Fantegrossi, WE; Harrington, AW; Eckler, JR; Arshad, S; Rabin, RA; Winter, JC; Coop, A; Rice, KC; Woods, JH. Hallucinogen-like actions of 2,5-dimethoxy-4-(n)-propylthiophenethylamine (2C-T-7) in mice and rats. Psychopharmacology, 1 Sep 2005, 181 (3), 496–503. 182 kB. doi:10.1007/s00213-005-0009-4

Winter, JC; Filipink, RA; Timineri, D; Helsley, SE; Rabin, RA. The paradox of 5-methoxy-N,N-dimethyltryptamine: an indoleamine hallucinogen that induces stimulus control via 5-HT1A receptors. Pharmacol. Biochem. Behav., 1 Jan 2000, 65 (1), 75–82. 157 kB. doi:10.1016/S0091-3057(99)00178-1

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

McGraw, NP; Callery, PS; Castagnoli, N. In vitro stereoselective metabolism of the psychotomimetic amine, 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane. An apparent enantiomeric interaction. J. Med. Chem., 1 Jan 1977, 20 (2), 185–189. 661 kB. doi:10.1021/jm00212a001

Glennon, RA; Titeler, M; Lyon, RA; Slusher, RM. N,N-Di-n-propylserotonin: Binding at serotonin binding sites and a comparison with 8-hydroxy-2-(di-n-propylamino)tetralin. J. Med. Chem., 1 Jan 1988, 31 (4), 867–870. 600 kB. doi:10.1021/jm00399a031

Acuña-Castillo, C; Villalobos, C; Moya, PR; Sáez, P; Cassels, BK; Huidobro-Toro, JP. Differences in potency and efficacy of a series of phenylisopropylamine/phenylethylamine pairs at 5-HT2A and 5-HT2C receptors. Br. J. Pharmacol., 1 Jun 2002, 136 (4), 510–519. 232 kB. doi:10.1039/sj.bjp.0704747

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Marona-Lewicka, D; Nichols, DE. Further evidence that the delayed temporal dopaminergic effects of LSD are mediated by a mechanism different than the first temporal phase of action. Pharmacol. Biochem. Behav., 1 Jan 2007, 87 (4), 453–461. 266 kB. doi:10.1016/j.pbb.2007.06.001

Braden, MR; Nichols, DE. Assessment of the roles of serines 5.43(239) and 5.46(242) for binding and potency of agonist ligands at the human serotonin 5-HT2A receptor. Mol. Pharmacol., 1 Jan 2007, 72 (5), 1200–1209. 487 kB. doi:10.1124/mol.107.039255

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

Shulgin, AT. Stereospecific requirements for hallucinogenesis. J. Pharm. Pharmacol., 1 Jan 1973, 25 (3), 271–272. 226 kB.

Shulgin, AT. Profiles of psychedelic drugs. 5. STP. J. Psychedelic Drugs, 1 Jan 1977, 9 (2), 171–172. 755 kB.

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

White, TJ; Goodman, D; Shulgin, AT; Castagnoli, N; Lee, R; Petrakis, NL. Mutagenic activity of some centrally active aromatic amines in Salmonella typhimurium. Mutat. Res., 1 Jan 1977, 56 (2), 199–202. 256 kB. doi:10.1016/0027-5107(77)90210-X

Anderson, GM; Braun, G; Braun, U; Nichols, DE; Shulgin, AT. Absolute configuration and psychotomimetic activity. In QuaSAR: Quantitative Structure Activity Relationships of Analgesics, Narcotic Antagonists, and Hallucinogens. NIDA Research Monograph 22; Barnett, G; Trsic, M; Willette, RE, Eds., U.S. Department of Health and Human Services, National Institute of Health, U.S. Government Printing Office, Washington, DC, 1 Jan 1978; pp 8–15. 457 kB.

Domelsmith, LN; Eaton, TA; Houk, KN; Anderson, GM; Glennon, RA; Shulgin, AT; Castagnoli, N; Kollman, PA. Photoelectron spectra of psychotropic drugs. 6. Relationships between physical properties and pharmacological actions of amphetamine analogues. J. Med. Chem., 1 Jan 1981, 24 (12), 1414–1421. 963 kB. doi:10.1021/jm00144a009

Lemaire, D; Jacob, P; Shulgin, AT. Ring substituted beta-methoxyphenethylamines: a new class of psychotomimetic agents active in man. J. Pharm. Pharmacol., 1 Jan 1985, 37 (8), 575–7. 1767 kB.

McKenna, DJ; Guan, AM; Shulgin, AT. 3,4-Methylenedioxyamphetamine (MDA) analogues exhibit differential effects on synaptosomal release of 3H-dopamine and 3H-5-hydroxytryptamine. Pharmacol. Biochem. Behav., 1 Jan 1991, 38 (3), 505–12. 783 kB. doi:10.1016/0091-3057(91)90005-M

Nichols, DE; Barfknecht, CF; Rusterholz, DB; Benington, F; Morin, RD. Asymmetric synthesis of psychotomimetic phenylisopropylamines. J. Med. Chem., 1 Jan 1973, 16 (5), 480–483. 515 kB. doi:10.1021/jm00263a013

Nichols, DE; Pfister, WR; Yim, GKW. LSD and phenethylamine hallucinogens: New structural analogy and implications for receptor geometry. Life Sci., 1 Jan 1978, 22 (24), 2165–2170. 323 kB. doi:10.1016/0024-3205(78)90567-2

Weintraub, HJR; Nichols, DE; Makriyannis, A; Fesik, SW. Conformational energy differences between side chain alkylated analogues of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane. J. Med. Chem., 1 Jan 1980, 23 (3), 339–341. 452 kB. doi:10.1021/jm00177a030

Kothari, PJ; Hathaway, BA; Nichols, DE; Yim, GKW. Synthesis and serotonin-like activity of 2-amino-5,8-dimethoxy-6-methyl-1,2-dihydronaphthalene. J. Med. Chem., 1 Jan 1981, 24 (7), 882–884. 464 kB. doi:10.1021/jm00139a022

Jacob, JN; Nichols, DE. Isomeric cyclopropyl ring-methylated homologues of trans-2-(2,5-dimethoxy-4-methylphenyl)cyclopropylamine, an hallucinogen analogue. J. Med. Chem., 1 Jan 1982, 25 (5), 526–530. 732 kB. doi:10.1021/jm00347a009

Nichols, DE. Differences between the mechanism of action of MDMA, MBDB, and the classic hallucinogens. Identification of a new therapeutic class: Entactogens. J. Psychoactive Drugs, 1 Jan 1986, 18 (4), 305–313. 10675 kB.

Nichols, DE; Snyder, SE; Oberlender, R; Johnson, MP; Huang, X. 2,3-Dihydrobenzofuran analogues of hallucinogenic phenethylamines. J. Med. Chem., 1 Jan 1991, 34 (1), 276–281. 833 kB. doi:10.1021/jm00105a043

Oberlender, R; Ramachandran, PV; Johnson, MP; Huang, X; Nichols, DE. Effect of a chiral 4-alkyl substituent in hallucinogenic amphetamines. J. Med. Chem., 1 Jan 1995, 38 (18), 3593–3601. 1288 kB. doi:10.1021/jm00018a019

Chambers, JJ; Kurrasch-Orbaugh, DM; Nichols, DE. Translocation of the 5-alkoxy substituent of 2,5-dialkoxyarylalkylamines to the 6-position: Effects on 5-HT2A/2C receptor affinity. Bioorg. Med. Chem. Lett., 1 Jan 2002, 12 (15), 1997–1999. 100 kB. doi:10.1016/S0960-894X(02)00306-2

Ewald, AH. The 2,5-Dimethoxyamphetamines—A new class of designer drugs. Ph. D. Thesis, Universität des Saarlandes, Saarbrücken, Germany, 1 Jan 2008. 195 kB.

Rasmussen, K; Glennon, RA; Aghajanian, GK. Phenethylamine hallucinogens in the locus coeruleus: potency of action correlates with rank order of 5-HT2 binding affinity. Eur. J. Pharmacol., 2 Dec 1986, 132 (1), 79–82. 267 kB. doi:10.1016/0014-2999(86)90014-2

Shulgin, AT; Shulgin, LA; Jacob, P. A protocol for the evaluation of new psychoactive drugs. Meth. Find. Exp. Clin. Pharmacol., 1 May 1986, 8 (5), 313. 7938 kB.

Coutts, RT; Malicky, JL. The synthesis of four possible in vitro metabolites of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Feb 1974, 52 (3), 395–399. 299 kB. doi:10.1139/v74-063

Zweig, JS; Castagnoli, N. Chemical conversion of the psychotomimetic amine 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane to 5-hydroxy-2,6-dimethylindole. J. Med. Chem., 1 Jul 1974, 17 (7), 747–749. 438 kB. doi:10.1021/jm00253a019

Zweig, JS; Castagnoli, N. In vitro O-demethylation of the psychotomimetic amine, 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane. J. Med. Chem., 1 Mar 1977, 20 (3), 414–421. 1182 kB. doi:10.1021/jm00213a020

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Ho, B; Tansey, LW; Balster, RL; An, R; McIsaac, WM; Harris, RT. Amphetamine analogs. II. Methylated phenethylamines. J. Med. Chem., 1 Jan 1970, 13 (1), 134–135. 278 kB. doi:10.1021/jm00295a034

Glennon, RA; Liebowitz, SM; Anderson, GM. Serotonin receptor affinities of psychoactive phenalkylamine analogues. J. Med. Chem., 1 Mar 1980, 23 (3), 294–299. 844 kB. doi:10.1021/jm00177a017

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

70
Analogue 15: Substituting Nitro for Ethoxy at R4

DON
4-Nitro-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-nitroamphetamine

IUPAC: 1-(2,5-Dimethoxy-4-nitrophenyl)propan-2-amine

Formula: C11H16N2O4 Molecular weight: 240.25574 g/mol InChI Key: JQJRESSXOVAECC-UHFFFAOYSA-N

InChI=1S/C11H16N2O4/c1-7(12)4-8-5-11(17-3)9(13(14)15)6-10(8)16-2/h5-7H,4,12H2,1-3H3

PubChem CID: 105432; ChemSpider: 95083; Wikipedia: 2,5-Dimethoxy-4-nitroamphetamine

Shulgin Index: #61 DON; Table: 5 Page: 342 Row: 3

See also PiHKAL: #39 2C-T #54 2,5-DMA #64 DOC #72 E

Coutts, RT; Malicky, JL. The synthesis of some analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Jan 1973, 51 (9), 1402–1409. 746 kB. doi:10.1139/v73-210

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Moya, PR; Berg, KA; Gutiérrez-Hernandez, MA; Sáez-Briones, P; Reyes-Parada, M; Cassels, BK; Clarke, WP. Functional selectivity of hallucinogenic phenethylamine and phenylisopropylamine derivatives at human 5-hydroxytryptamine (5-HT)2A and 5-HT2C receptors. J. Pharmacol. Exp. Ther., 1 Jun 2007, 321 (3), 1054–1061. 188 kB. doi:10.1124/jpet.106.117507

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Acuña-Castillo, C; Villalobos, C; Moya, PR; Sáez, P; Cassels, BK; Huidobro-Toro, JP. Differences in potency and efficacy of a series of phenylisopropylamine/phenylethylamine pairs at 5-HT2A and 5-HT2C receptors. Br. J. Pharmacol., 1 Jun 2002, 136 (4), 510–519. 232 kB. doi:10.1039/sj.bjp.0704747

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

71
Analogue 16: Substituting n-Propyl for Ethoxy at R4

DOPR
4-Propyl-2,5-dimethoxyamphetamine
2,5-Dimethoxy-4-n-propylamphetamine

IUPAC: 1-(2,5-Dimethoxy-4-propylphenyl)propan-2-amine

Formula: C14H23NO2 Molecular weight: 237.33792 g/mol InChI Key: UEEAUFJYLUJWQJ-UHFFFAOYSA-N

InChI=1S/C14H23NO2/c1-5-6-11-8-14(17-4)12(7-10(2)15)9-13(11)16-3/h8-10H,5-7,15H2,1-4H3

PubChem CID: 542051; ChemSpider: 472021; Wikipedia: 2,5-Dimethoxy-4-propylamphetamine

Shulgin Index: #62 DOPR; Table: 5 Page: 343 Row: 32

See also PiHKAL: #36 2C-P      
See also Pharmacology notes I: p. 115, DOPR: Subjective effects
p. 124, DOPR: Subjective effects
p. 132, DOPR: Subjective effects
See also Pharmacology notes II: app. 4, Experiment for Death Valley

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Shulgin, AT. 4-Alkyl-dialkoxy-alpha-methyl-phenethylamines and their pharmacologically-acceptable salts. U S. Patent 3,547,999, 15 Dec 1970. 448 kB.

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

138
Analogue 17: Substituting n-Propoxy for Ethoxy at R4

MPM
2,5-Dimethoxy-4-propoxyamphetamine
2,5-Dimethoxy-4-n-propoxyamphetamine

IUPAC: 1-(2,5-Dimethoxy-4-propoxyphenyl)propan-2-amine

Formula: C14H23NO3 Molecular weight: 253.33732 g/mol InChI Key: YORRDSMCIGRARV-UHFFFAOYSA-N

InChI=1S/C14H23NO3/c1-5-6-18-14-9-12(16-3)11(7-10(2)15)8-13(14)17-4/h8-10H,5-7,15H2,1-4H3

PubChem CID: 542069; ChemSpider: 472038; Wikipedia: MPM (psychedelic)

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 1

See also PiHKAL: #35 2C-O-4      
See also Pharmacology notes I: p. 82, MPM: Subacute evaluation
See also Pharmacology notes II: p. 257, MPM
158
Analogue 18: Substituting Methoxy for Ethoxy at R4

TMA-2
2,4,5-Trimethoxyamphetamine

IUPAC: 1-(2,4,5-Trimethoxyphenyl)propan-2-amine

Formula: C12H19NO3 Molecular weight: 225.28416 g/mol InChI Key: TVSIMAWGATVNGK-UHFFFAOYSA-N Properties: Essential amphetamine

InChI=1S/C12H19NO3/c1-8(13)5-9-6-11(15-3)12(16-4)7-10(9)14-2/h6-8H,5,13H2,1-4H3

PubChem CID: 31014; ChemSpider: 28773; Drugs Forum: TMA-2; Erowid: TMA-2; Wikipedia: Trimethoxyamphetamine

Shulgin Index: #118 TMA-2; Table: 5 Page: 344 Row: 23

See also PiHKAL: #35 2C-O-4
#42 Ψ-2C-T-4
#52 DESOXY
#69 Ψ-DOM
#73 EEE
#75 EME
#76 EMM
#93 IRIS
#120 MEDA
#121 MEE
#122 MEM
#136 MME
#138 MPM
#139 ORTHO-DOT
#145 TA
#157 TMA
#162 TMA-6
#167 4T-MMDA-2
#168 TMPEA
See also TiHKAL: #13 Harmaline #19 5-HO-DMT #46 5-MeS-DMT  
See also Pharmacology notes I: p. 54, TMA-2: Subacute evaluation
p. 55.1, TMA-2: Subjective response
p. 56, TMA-2: Subjective response
p. 64, TMA-2: Subjective response
p. 65, TMA-2: Subjective response
p. 72, SARs
p. 108, TMA-2: Subjective response
p. 151, TMA-2
p. 160, TMA-2
p. 161, TMA-2
p. 185, TMA-2: Qualitative description
See also Pharmacology notes II: p. 224, TMA-2

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Zaitsu, K; Katagi, M; Kamata, H; Kamata, T; Shima, N; Miki, A; Iwamura, T; Tsuchihashi, H. Discrimination and identification of the six aromatic positional isomers of trimethoxyamphetamine (TMA) by gas chromatography-mass spectrometry (GC-MS). J. Mass Spectrom., 1 Apr 2008, 43 (4), 528–534. 147 kB. doi:10.1002/jms.1347

White, TJ; Goodman, D; Shulgin, AT; Castagnoli, N; Lee, R; Petrakis, NL. Mutagenic activity of some centrally active aromatic amines in Salmonella typhimurium. Mutat. Res., 1 Jan 1977, 56 (2), 199–202. 256 kB. doi:10.1016/0027-5107(77)90210-X

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Glennon, RA; Dukat, M; Grella, B; Hong, S; Costantino, L; Teitler, M; Smith, C; Egan, C; Davis, K; Mattson, MV. Binding of β-carbolines and related agents at serotonin (5-HT2 and 5-HT1A), dopamine (D2) and benzodiazepine receptors. Drug Alcohol Depend., 1 Aug 2000, 60 (2), 121–132. 276 kB. doi:10.1016/S0376-8716(99)00148-9

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Nakanishi, K; Miki, A; Zaitsu, K; Kamata, H; Shima, N; Kamata, T; Katagi, M; Tatsuno, M; Tsuchihashi, H; Suzuki, K. Cross-reactivities of various phenethylamine-type designer drugs to immunoassays for amphetamines, with special attention to the evaluation of the one-step urine drug test Instant-View™, and the Emit® assays for use in drug enforcement. Forensic Sci. Int., 10 Apr 2012, 217 (1–3), 174–181. 397 kB. doi:10.1016/j.forsciint.2011.11.003

Halberstadt, AL; Geyer, MA. Multiple receptors contribute to the behavioral effects of indoleamine hallucinogens. Neuropharmacology, 1 Sep 2011, 61 (3) 364–381. 817 kB. doi:10.1016/j.neuropharm.2011.01.017

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

Domelsmith, LN; Eaton, TA; Houk, KN; Anderson, GM; Glennon, RA; Shulgin, AT; Castagnoli, N; Kollman, PA. Photoelectron spectra of psychotropic drugs. 6. Relationships between physical properties and pharmacological actions of amphetamine analogues. J. Med. Chem., 1 Jan 1981, 24 (12), 1414–1421. 963 kB. doi:10.1021/jm00144a009

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Glennon, RA; Liebowitz, SM; Anderson, GM. Serotonin receptor affinities of psychoactive phenalkylamine analogues. J. Med. Chem., 1 Mar 1980, 23 (3), 294–299. 844 kB. doi:10.1021/jm00177a017

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Shulgin, AT. The six trimethoxyphenylisopropylamines (trimethoxyamphetamines). J. Med. Chem., 1 Jan 1966, 9 (3), 445–456. 362 kB. doi:10.1021/jm00321a058

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

Takahashi, M; Nagashima, M; Suzuki, J; Seto, T; Yasuda, I; Yoshida, T. Analysis of phenethylamines and tryptamines in designer drugs using gas chromatography-mass spectrometry. J. Health Sci., 2008, 54 (1), 89–96. 1882 kB. doi:10.1248/jhs.54.89

Ray, TS. Psychedelics and the human receptorome. PLoS ONE, 2 Feb 2010, 5 (2), e9019. 791 kB. doi:10.1371/journal.pone.0009019

Guy, M; Freeman, S; Alder, JF; Brandt, SD. The Henry reaction: spectroscopic studies of nitrile and hydroxylamine by-products formed during synthesis of psychoactive phenylalkylamines. Cent. Eur. J. Chem., 1 Dec 2008, 6 (4), 526–534. 982 kB. doi:10.2478/s11532-008-0054-z

Anderson, GM; Braun, G; Braun, U; Nichols, DE; Shulgin, AT. Absolute configuration and psychotomimetic activity. In QuaSAR: Quantitative Structure Activity Relationships of Analgesics, Narcotic Antagonists, and Hallucinogens. NIDA Research Monograph 22; Barnett, G; Trsic, M; Willette, RE, Eds., U.S. Department of Health and Human Services, National Institute of Health, U.S. Government Printing Office, Washington, DC, 1 Jan 1978; pp 8–15. 457 kB.

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

Anon. Report on the risk assessment of TMA-2 in the framework of the joint action on new synthetic drugs, European Monitoring Centre for Drugs and Drug Addiction, 2004.

Shulgin, AT. Profiles of psychedelic drugs. 2. TMA-2. J. Psychedelic Drugs, 1 Jan 1976, 8 (2), 169. 891 kB.

Sargent, T; Shulgin, AT; Kusubov, N. Quantitative measurement of demethylation of [14]C-methoxyl labeled DMPEA and TMA-2 in rats. Psychopharmacol. Commun., 1 Jan 1976, 2 (3), 199–206. 8643 kB.

Ewald, AH. The 2,5-Dimethoxyamphetamines—A new class of designer drugs. Ph. D. Thesis, Universität des Saarlandes, Saarbrücken, Germany, 1 Jan 2008. 195 kB.

Fenderson5555. The Trimethoxylated Amphetamines (TMA-x). 9 Dec 2012.

208
Analogue 19: Substituting Fluoro for Ethoxy at R4

DOF
2,5-Dimethoxy-4-fluoro-amphetamine
4-Fluoro-2,5-dimethoxyamphetamine

IUPAC: 1-(4-Fluoro-2,5-dimethoxyphenyl)propan-2-amine

Formula: C11H16FNO2 Molecular weight: 213.2486432 g/mol InChI Key: NRANUECGGQVXOT-UHFFFAOYSA-N

InChI=1S/C11H16FNO2/c1-7(13)4-8-5-11(15-3)9(12)6-10(8)14-2/h5-7H,4,13H2,1-3H3

PubChem CID: 23844155; ChemSpider: 23108678; Wikipedia: 2,5-Dimethoxy-4-fluoroamphetamine

Shulgin Index: #57 DOF; Table: 5 Page: 340 Row: 18

See also PiHKAL: #14 BOD #22 2C-C #26 2C-F  

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

235
Analogue 20: Substituting Isobutyl for Ethoxy at R4

DOIB
2,5-Dimethoxy-4-(2-methylpropyl)amphetamine
2,5-Dimethoxy-4-isobutylamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(2-methylpropyl)phenyl]propan-2-amine

Formula: C15H25NO2 Molecular weight: 251.3645 g/mol InChI Key: ZLESHKOTWSWEGW-UHFFFAOYSA-N

InChI=1S/C15H25NO2/c1-10(2)6-12-8-15(18-5)13(7-11(3)16)9-14(12)17-4/h8-11H,6-7,16H2,1-5H3

PubChem CID: 44374984; ChemSpider: 23231800

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 3

See also PiHKAL: #63 DOBU      

Oberlender, RA; Kothari, PJ; Nichols, DE; Zabik, JE. Substituent branching in phenethylamine-type hallucinogens: A comparison of 1-[2,5-dimethoxy-4-(2-butyl)phenyl]-2-aminopropane and 1-[2,5-dimethoxy-4-(2-methylpropyl)phenyl]-2-aminopropane. J. Med. Chem., 1 Jan 1984, 27 (6), 788–792. 764 kB. doi:10.1021/jm00372a015

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

236
Analogue 21: Substituting tert-Butyl for Ethoxy at R4

DOTB
2,5-Dimethoxy-4-(1,1-dimethylethyl)amphetamine
2,5-Dimethoxy-4-tert-butylamphetamine

IUPAC: 1-(4-tert-Butyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C15H25NO2 Molecular weight: 251.3645 g/mol InChI Key: RUAUPNFNQOGIFF-UHFFFAOYSA-N

InChI=1S/C15H25NO2/c1-10(16)7-11-8-14(18-6)12(15(2,3)4)9-13(11)17-5/h8-10H,7,16H2,1-6H3

PubChem CID: 12262514; ChemSpider: 10440072

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 5

See also PiHKAL: #63 DOBU      
See also Pharmacology notes I: p. 100, DOTB: Subacute evaluation

Shulgin, AT; Dyer, DC. Psychotomimetic phenylisopropylamines. 5. 4-Alkyl-2,5-dimethoxyphenylisopropylamines. J. Med. Chem., 1 Jan 1975, 18 (12), 1201–1204. 534 kB. doi:10.1021/jm00246a006

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

237
Analogue 22: Substituting sec-Butyl for Ethoxy at R4

DOSB
2,5-Dimethoxy-4-(1-methylpropyl)amphetamine
2,5-Dimethoxy-4-sec-butylamphetamine

IUPAC: 1-[4-(Butan-2-yl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C15H25NO2 Molecular weight: 251.3645 g/mol InChI Key: VEQUTPSVRQTUHR-UHFFFAOYSA-N

InChI=1S/C15H25NO2/c1-6-10(2)13-9-14(17-4)12(7-11(3)16)8-15(13)18-5/h8-11H,6-7,16H2,1-5H3

PubChem CID: 146057; ChemSpider: 128843

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 4

See also PiHKAL: #63 DOBU      

Oberlender, RA; Kothari, PJ; Nichols, DE; Zabik, JE. Substituent branching in phenethylamine-type hallucinogens: A comparison of 1-[2,5-dimethoxy-4-(2-butyl)phenyl]-2-aminopropane and 1-[2,5-dimethoxy-4-(2-methylpropyl)phenyl]-2-aminopropane. J. Med. Chem., 1 Jan 1984, 27 (6), 788–792. 764 kB. doi:10.1021/jm00372a015

Oberlender, R; Ramachandran, PV; Johnson, MP; Huang, X; Nichols, DE. Effect of a chiral 4-alkyl substituent in hallucinogenic amphetamines. J. Med. Chem., 1 Jan 1995, 38 (18), 3593–3601. 1288 kB. doi:10.1021/jm00018a019

238
Analogue 23: Substituting Amino for Ethoxy at R4

DONH
DOA
2,5-Dimethoxy-4-aminoamphetamine

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxyaniline

Formula: C11H18N2O2 Molecular weight: 210.27282 g/mol InChI Key: YUGDRVMIVMZKEL-UHFFFAOYSA-N

InChI=1S/C11H18N2O2/c1-7(12)4-8-5-11(15-3)9(13)6-10(8)14-2/h5-7H,4,12-13H2,1-3H3

PubChem CID: 15284796; ChemSpider: 23108725

Shulgin Index: See #61 DON; Table: 5 Page: 341 Row: 30

See also PiHKAL: #64 DOC #66 DOET    

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Coutts, RT; Malicky, JL. The synthesis of some analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Jan 1973, 51 (9), 1402–1409. 746 kB. doi:10.1139/v73-210

239
Analogue 24: Substituting Acetylamino for Ethoxy at R4

DOAA
2,5-Dimethoxy-4-acetamidoamphetamine

IUPAC: N-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]acetamide

Formula: C13H20N2O3 Molecular weight: 252.3095 g/mol InChI Key: DQGBCNCIAFEAEQ-UHFFFAOYSA-N

InChI=1S/C13H20N2O3/c1-8(14)5-10-6-13(18-4)11(15-9(2)16)7-12(10)17-3/h6-8H,5,14H2,1-4H3,(H,15,16)

PubChem CID: 69390424

Shulgin Index: See #61 DON; Table: 5 Page: 341 Row: 34

See also PiHKAL: #64 DOC      

Coutts, RT; Malicky, JL. The synthesis of some analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). Can. J. Chem., 1 Jan 1973, 51 (9), 1402–1409. 746 kB. doi:10.1139/v73-210

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

245
Analogue 25: Substituting 1-Hydroxypropyl for Ethoxy at R4

Hydroxy-DOPR
2,5-Dimethoxy-4-(1-hydroxypropyl)amphetamine

IUPAC: 1-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]propan-1-ol

Formula: C14H23NO3 Molecular weight: 253.33732 g/mol InChI Key: WMEOYAANTKOSDW-UHFFFAOYSA-N

InChI=1S/C14H23NO3/c1-5-12(16)11-8-13(17-3)10(6-9(2)15)7-14(11)18-4/h7-9,12,16H,5-6,15H2,1-4H3

PubChem CID: 69396146

See also PiHKAL: #71 DOPR      
See also Pharmacology notes I: p. 198, Hydroxy DOP
246
Analogue 26: Substituting Isopropyl for Ethoxy at R4

DOIP
2,5-Dimethoxy-4-isopropylamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(propan-2-yl)phenyl]propan-2-amine

Formula: C14H23NO2 Molecular weight: 237.33792 g/mol InChI Key: SPKSLAUXKHSASF-UHFFFAOYSA-N

InChI=1S/C14H23NO2/c1-9(2)12-8-13(16-4)11(6-10(3)15)7-14(12)17-5/h7-10H,6,15H2,1-5H3

PubChem CID: 44265275; ChemSpider: 23108724

Shulgin Index: #59 DOIP; Table: 5 Page: 343 Row: 34

See also PiHKAL: #71 DOPR      

Aldous, FAB; Barrass, BC; Brewster, K; Buxton, DA; Green, DM; Pinder, RM; Rich, P; Skeels, PM; Tutt, KJ. Structure-activity relationships in psychotomimetic phenylalkylamines. J. Med. Chem., 1 Oct 1974, 17 (10),1100–1111. 1175 kB. doi:10.1021/jm00256a016

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

302
Analogue 27: Substituting Isopropoxy for Ethoxy at R4

MIPM
2,5-Dimethoxy-4-isopropoxyamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(propan-2-yloxy)phenyl]propan-2-amine

Formula: C14H23NO3 Molecular weight: 253.33732 g/mol InChI Key: UEUXKMHRZTVVCQ-UHFFFAOYSA-N

InChI=1S/C14H23NO3/c1-9(2)18-14-8-12(16-4)11(6-10(3)15)7-13(14)17-5/h7-10H,6,15H2,1-5H3

ChemSpider: 23553121

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 6

See also PiHKAL: #35 2C-O-4 #138 MPM    
303
Analogue 28: Substituting n-Butoxy for Ethoxy at R4

MBM
4-n-Butoxy-2,5-dimethoxyamphetamine

IUPAC: 1-(4-Butoxy-2,5-dimethoxyphenyl)propan-2-amine

Formula: C15H25NO3 Molecular weight: 267.3639 g/mol InChI Key: QKAUNHGCSPPQBX-UHFFFAOYSA-N

InChI=1S/C15H25NO3/c1-5-6-7-19-15-10-13(17-3)12(8-11(2)16)9-14(15)18-4/h9-11H,5-8,16H2,1-4H3

PubChem CID: 69456028

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 9

See also PiHKAL: #35 2C-O-4 #138 MPM    
See also Pharmacology notes I: p. 86, MBM: Subacute evaluation
304
Analogue 29: Substituting n-Pentyloxy for Ethoxy at R4

MAM
4-n-Amyloxy-2,5-dimethoxyamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(pentyloxy)phenyl]propan-2-amine

Formula: C16H27NO3 Molecular weight: 281.39048 g/mol InChI Key: BJNHWPMJOQBFLT-UHFFFAOYSA-N

InChI=1S/C16H27NO3/c1-5-6-7-8-20-16-11-14(18-3)13(9-12(2)17)10-15(16)19-4/h10-12H,5-9,17H2,1-4H3

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 10

See also PiHKAL: #138 MPM      
See also Pharmacology notes I: p. 87, MAM: Subacute evaluation
322
Analogue 30: Substituting n-Hexyl for Ethoxy at R4

DOHE
DOHx
4-Hexyl-2,5-dimethoxyamphetamine

IUPAC: 1-(4-Hexyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C17H29NO2 Molecular weight: 279.41766 g/mol InChI Key: NICYQFWHLYLNFE-UHFFFAOYSA-N

InChI=1S/C17H29NO2/c1-5-6-7-8-9-14-11-17(20-4)15(10-13(2)18)12-16(14)19-3/h11-13H,5-10,18H2,1-4H3

PubChem CID: 44265170; ChemSpider: 23108583

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 7

See also PiHKAL: #61 DOAM      

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Shulgin, AT. 4-Alkyl-dialkoxy-alpha-methyl-phenethylamines and their pharmacologically-acceptable salts. U S. Patent 3,547,999, 15 Dec 1970. 448 kB.

323
Analogue 31: Substituting Benzyl for Ethoxy at R4

DOBZ
4-Benzyl-2,5-dimethoxyamphetamine

IUPAC: 1-(4-Benzyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C18H23NO2 Molecular weight: 285.38072 g/mol InChI Key: FQARCNZVKSYIGI-UHFFFAOYSA-N

InChI=1S/C18H23NO2/c1-13(19)9-15-11-18(21-3)16(12-17(15)20-2)10-14-7-5-4-6-8-14/h4-8,11-13H,9-10,19H2,1-3H3

PubChem CID: 24039384; ChemSpider: 23108642

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 9

See also PiHKAL: #61 DOAM      

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

324
Analogue 32: Substituting Cyclopropylmethyl for Ethoxy at R4

DOCPM
4-Cyclopropylmethyl-2,5-dimethoxyamphetamine

IUPAC: 1-[4-(Cyclopropylmethyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C15H23NO2 Molecular weight: 249.34862 g/mol InChI Key: WFKVCOUFNBAEFY-UHFFFAOYSA-N

InChI=1S/C15H23NO2/c1-10(16)6-12-8-15(18-3)13(7-11-4-5-11)9-14(12)17-2/h8-11H,4-7,16H2,1-3H3

PubChem CID: 69454735

See also PiHKAL: #63 DOBU      
2078
Analogue 33: Substituting Cyclopropylmethylthio for Ethoxy at R4

ALEPH-8
4-Cyclopropylmethylthio-2,5-dimethoxyamphetamine

IUPAC: 1-{4-[(Cyclopropylmethyl)sulfanyl]-2,5-dimethoxyphenyl}propan-2-amine

Formula: C15H23NO2S Molecular weight: 281.41362 g/mol InChI Key: FZWXHXVQKMVIAF-UHFFFAOYSA-N

InChI=1S/C15H23NO2S/c1-10(16)6-12-7-14(18-3)15(8-13(12)17-2)19-9-11-4-5-11/h7-8,10-11H,4-6,9,16H2,1-3H3

See also PiHKAL: #44 2C-T-8      
2084
Analogue 34: Substituting Cyclohexylthio for Ethoxy at R4

ALEPH-5
4-Cyclohexylthio-2,5-dimethoxyamphetamine

IUPAC: 1-[4-(Cyclohexylsulfanyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C17H27NO2S Molecular weight: 309.46678 g/mol InChI Key: UKUSQTYEWXTIBG-UHFFFAOYSA-N

InChI=1S/C17H27NO2S/c1-12(18)9-13-10-16(20-3)17(11-15(13)19-2)21-14-7-5-4-6-8-14/h10-12,14H,4-9,18H2,1-3H3

PubChem CID: 69396745

See also PiHKAL: #4 ALEPH-2      
2085
Analogue 35: Substituting Allylthio for Ethoxy at R4

ALEPH-16
4-Allylthio-2,5-dimethoxyamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(prop-2-en-1-ylsulfanyl)phenyl]propan-2-amine

Formula: C14H21NO2S Molecular weight: 267.38704 g/mol InChI Key: LJESJFBTHSFCLG-UHFFFAOYSA-N

InChI=1S/C14H21NO2S/c1-5-6-18-14-9-12(16-3)11(7-10(2)15)8-13(14)17-4/h5,8-10H,1,6-7,15H2,2-4H3

PubChem CID: 69396918

See also PiHKAL: #4 ALEPH-2      
2088
Analogue 36: Substituting 2-Fluoroethylthio for Ethoxy at R4

ALEPH-21
4-(2-Fluoroethylthio)-2,5-dimethoxyamphetamine

IUPAC: 1-{4-[(2-Fluoroethyl)sulfanyl]-2,5-dimethoxyphenyl}propan-2-amine

Formula: C13H20FNO2S Molecular weight: 273.3668032 g/mol InChI Key: XVRGKTXSWAENLK-UHFFFAOYSA-N

InChI=1S/C13H20FNO2S/c1-9(15)6-10-7-12(17-3)13(18-5-4-14)8-11(10)16-2/h7-9H,4-6,15H2,1-3H3

PubChem CID: 69393297

See also PiHKAL: #49 2C-T-21      
5381
Analogue 37: Substituting Trifluoromethyl for Ethoxy at R4

DOTFM
2,5-Dimethoxy-4-(trifluoromethyl)amphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(trifluoromethyl)phenyl]propan-2-amine

Formula: C12H16F3NO2 Molecular weight: 263.2561496 g/mol InChI Key: WPGOTSORDNBMHP-UHFFFAOYSA-N

InChI=1S/C12H16F3NO2/c1-7(16)4-8-5-11(18-3)9(12(13,14)15)6-10(8)17-2/h5-7H,4,16H2,1-3H3

PubChem CID: 10400521; ChemSpider: 8575959; Wikipedia: 2,5-Dimethoxy-4-trifluoromethylamphetamine

Shulgin Index: #63 DOTFM; Table: 5 Page: 343 Row: 2

Braden, MR. Towards a biophysical understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2007. 8442 kB.

Parker, MA; Kurrasch, DM; Nichols, DE. The role of lipophilicity in determining binding affinity and functional activity for 5-HT2A receptor ligands. Bioorg. Med. Chem., 1 Jan 2008, 16 (8), 4661–4669. 296 kB. doi:10.1016/j.bmc.2008.02.033

Nichols, DE; Frescas, S; Marona-Lewicka, D; Huang, X; Roth, BL; Gudelsky, GA; Nash, JF. 1-(2,5-Dimethoxy-4-(trifluoromethyl)phenyl)-2-aminopropane: A potent serotonin 5-HT2A/2C agonist. J. Med. Chem., 1 Jan 1994, 37 (25), 4346–4351. 873 kB. doi:10.1021/jm00051a011

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

Parrish, JC. Toward a molecular understanding of hallucinogen action. Ph. D. Thesis, Purdue University, West Lafayette, IN, 1 Jan 2006. 5475 kB.

Cozzi, NV. Pharmacological studies of some psychoactive phenylalkylamines: entactogens, hallucinogens, and anorectics. Ph. D. Thesis, University Of Wisconsin-Madison, 1 Jan 1994. 10616 kB.

Parrish, JC; Braden, MR; Gundy, E; Nichols, DE. Differential phospholipase C activation by phenylalkylamine serotonin 5-HT2A receptor agonists. J. Neurochem., 1 Dec 2005, 95 (6), 1575–1584. 301 kB. doi:10.1111/j.1471-4159.2005.03477.x

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

2328
Analogue 38: Substituting Phenylbutyl for Ethoxy at R4

2,5-Dimethoxy-4-phenylbutylamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(4-phenylbutyl)phenyl]propan-2-amine

Formula: C21H29NO2 Molecular weight: 327.46046 g/mol InChI Key: WFHQKLDPRBJNSJ-UHFFFAOYSA-N

InChI=1S/C21H29NO2/c1-16(22)13-19-15-20(23-2)18(14-21(19)24-3)12-8-7-11-17-9-5-4-6-10-17/h4-6,9-10,14-16H,7-8,11-13,22H2,1-3H3

PubChem CID: 10592333; ChemSpider: 8767707

Dowd, CS; Herrick-Davis, K; Egan, C; DuPre, A; Smith, C; Teitler, M; Glennon, RA. 1-[4-(3-Phenylalkyl)phenyl]-2-aminopropanes as 5-HT2A partial agonists. J. Med. Chem., 10 Aug 2000, 43 (16), 3074–3084. 271 kB. doi:10.1021/jm9906062

2196
Analogue 39: Substituting Ethynyl for Ethoxy at R4

DOYN
4-Ethynyl-2,5-dimethoxyamphetamine

IUPAC: 1-(4-Ethynyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C13H17NO2 Molecular weight: 219.27958 g/mol InChI Key: XSBAOBBZMYENRL-UHFFFAOYSA-N

InChI=1S/C13H17NO2/c1-5-10-7-13(16-4)11(6-9(2)14)8-12(10)15-3/h1,7-9H,6,14H2,2-4H3

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 22

Trachsel, D. Synthesis of novel (phenylalkyl)amines for the investigation of structure-activity relationships. Part 3. 4-Ethynyl-2,5-dimethoxyphenethylamine (= 4-Ethynyl-2,5-dimethoxybenzeneethanamine; 2C-YN). Helv. Chim. Acta, 28 Aug 2003, 86 (8), 2754–2759. 84 kB. doi:10.1002/hlca.200390224

2197
Analogue 40: Substituting Cyano for Ethoxy at R4

DOCN
4-Cyano-2,5-dimethoxyamphetamine

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxybenzonitrile

Formula: C12H16N2O2 Molecular weight: 220.26764 g/mol InChI Key: ULNMEZQBQBLXMC-UHFFFAOYSA-N

InChI=1S/C12H16N2O2/c1-8(14)4-9-5-12(16-3)10(7-13)6-11(9)15-2/h5-6,8H,4,14H2,1-3H3

PubChem CID: 23900148; ChemSpider: 23108720

Shulgin Index: #55 DOCN; Table: 5 Page: 343 Row: 8

Trachsel, D. Synthesis of novel (phenylalkyl)amines for the investigation of structure-activity relationships. Part 3. 4-Ethynyl-2,5-dimethoxyphenethylamine (= 4-Ethynyl-2,5-dimethoxybenzeneethanamine; 2C-YN). Helv. Chim. Acta, 28 Aug 2003, 86 (8), 2754–2759. 84 kB. doi:10.1002/hlca.200390224

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

Blaazer, AR; Smid, P; Kruse, CG. Structure-activity relationships of phenylalkylamines as agonist ligands for 5-HT2A receptors. ChemMedChem, 15 Sep 2008, 3 (9), 1299–1309. 461 kB. doi:10.1002/cmdc.200800133

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

2323
Analogue 41: Substituting Phenylpropyl for Ethoxy at R4

DOPh3
2,5-Dimethoxy-4-phenylpropylamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(3-phenylpropyl)phenyl]propan-2-amine

Formula: C20H27NO2 Molecular weight: 313.43388 g/mol InChI Key: XKCYCNKOOGOHIQ-UHFFFAOYSA-N

InChI=1S/C20H27NO2/c1-15(21)12-18-14-19(22-2)17(13-20(18)23-3)11-7-10-16-8-5-4-6-9-16/h4-6,8-9,13-15H,7,10-12,21H2,1-3H3

PubChem CID: 44265227; ChemSpider: 23108650

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 10

Dowd, CS; Herrick-Davis, K; Egan, C; DuPre, A; Smith, C; Teitler, M; Glennon, RA. 1-[4-(3-Phenylalkyl)phenyl]-2-aminopropanes as 5-HT2A partial agonists. J. Med. Chem., 10 Aug 2000, 43 (16), 3074–3084. 271 kB. doi:10.1021/jm9906062

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

2325
Analogue 42: Substituting Phenethyl for Ethoxy at R4

2,5-Dimethoxy-4-phenethylamphetamine

IUPAC: 1-[2,5-Dimethoxy-4-(2-phenylethyl)phenyl]propan-2-amine

Formula: C19H25NO2 Molecular weight: 299.4073 g/mol InChI Key: WZUGJMKNNAADLQ-UHFFFAOYSA-N

InChI=1S/C19H25NO2/c1-14(20)11-17-13-18(21-2)16(12-19(17)22-3)10-9-15-7-5-4-6-8-15/h4-8,12-14H,9-11,20H2,1-3H3

PubChem CID: 10542174; ChemSpider: 8717565

Dowd, CS; Herrick-Davis, K; Egan, C; DuPre, A; Smith, C; Teitler, M; Glennon, RA. 1-[4-(3-Phenylalkyl)phenyl]-2-aminopropanes as 5-HT2A partial agonists. J. Med. Chem., 10 Aug 2000, 43 (16), 3074–3084. 271 kB. doi:10.1021/jm9906062

2329
Analogue 43: Substituting (4-Chlorophenyl)propyl for Ethoxy at R4

4-(4-Chlorophenylpropyl)-2,5-dimethoxyamphetamine

IUPAC: 1-{4-[3-(4-Chlorophenyl)propyl]-2,5-dimethoxyphenyl}propan-2-amine

Formula: C20H26ClNO2 Molecular weight: 347.87894 g/mol InChI Key: NBVUSYYQRXPQSV-UHFFFAOYSA-N

InChI=1S/C20H26ClNO2/c1-14(22)11-17-13-19(23-2)16(12-20(17)24-3)6-4-5-15-7-9-18(21)10-8-15/h7-10,12-14H,4-6,11,22H2,1-3H3

PubChem CID: 10831543; ChemSpider: 9006843

Dowd, CS; Herrick-Davis, K; Egan, C; DuPre, A; Smith, C; Teitler, M; Glennon, RA. 1-[4-(3-Phenylalkyl)phenyl]-2-aminopropanes as 5-HT2A partial agonists. J. Med. Chem., 10 Aug 2000, 43 (16), 3074–3084. 271 kB. doi:10.1021/jm9906062

2330
Analogue 44: Substituting (4-Methoxyphenyl)propyl for Ethoxy at R4

2,5-Dimethoxy-4-(4-methoxyphenylpropyl)amphetamine

IUPAC: 1-{2,5-Dimethoxy-4-[3-(4-methoxyphenyl)propyl]phenyl}propan-2-amine

Formula: C21H29NO3 Molecular weight: 343.45986 g/mol InChI Key: QQVQBSXATXKAAM-UHFFFAOYSA-N

InChI=1S/C21H29NO3/c1-15(22)12-18-14-20(24-3)17(13-21(18)25-4)7-5-6-16-8-10-19(23-2)11-9-16/h8-11,13-15H,5-7,12,22H2,1-4H3

PubChem CID: 10807330; ChemSpider: 8982635

Dowd, CS; Herrick-Davis, K; Egan, C; DuPre, A; Smith, C; Teitler, M; Glennon, RA. 1-[4-(3-Phenylalkyl)phenyl]-2-aminopropanes as 5-HT2A partial agonists. J. Med. Chem., 10 Aug 2000, 43 (16), 3074–3084. 271 kB. doi:10.1021/jm9906062

390
Analogue 45: Substituting Ethenyl for Ethoxy at R4

DOVI
DOV
4-Ethenyl-2,5-dimethoxyamphetamine

IUPAC: 1-(4-Ethenyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C13H19NO2 Molecular weight: 221.29546 g/mol InChI Key: RDOMWNSTCLMGGA-UHFFFAOYSA-N

InChI=1S/C13H19NO2/c1-5-10-7-13(16-4)11(6-9(2)14)8-12(10)15-3/h5,7-9H,1,6,14H2,2-4H3

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 20

Trachsel, D. Synthesis of novel (phenylalkyl)amines for the investigation of structure-activity relationships. Part 3. 4-Ethynyl-2,5-dimethoxyphenethylamine (= 4-Ethynyl-2,5-dimethoxybenzeneethanamine; 2C-YN). Helv. Chim. Acta, 28 Aug 2003, 86 (8), 2754–2759. 84 kB. doi:10.1002/hlca.200390224

2416
Analogue 46: Substituting Acetyl for Ethoxy at R4

DOAC
4-Acetyl-2,5-dimethoxyamphetamine

IUPAC: 1-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]ethanone

Formula: C13H19NO3 Molecular weight: 237.29486 g/mol InChI Key: NWWLLPGDGZOZAT-UHFFFAOYSA-N

InChI=1S/C13H19NO3/c1-8(14)5-10-6-13(17-4)11(9(2)15)7-12(10)16-3/h6-8H,5,14H2,1-4H3

PubChem CID: 23983771

Shulgin Index: See #55 DOCN; Table: 5 Page: 343 Row: 26

Nelson, DL; Lucaites, VL; Wainscott, DB; Glennon, RA. Comparisons of hallucinogenic phenylisopropylamine binding affinities at cloned human 5-HT2A, 5-HT2B and 5-HT2C receptors. N-S. Arch. Pharmacol., 6 Sep 1998, 359 (1), 1–6. 66 kB. doi:10.1007/PL00005315

2415
Analogue 47: Substituting Carboxy for Ethoxy at R4

DOCA
4-Carboxy-2,5-dimethoxyamphetamine

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxybenzoic acid

Formula: C12H17NO4 Molecular weight: 239.26768 g/mol InChI Key: FRWTXPXOPHGXDE-UHFFFAOYSA-N

InChI=1S/C12H17NO4/c1-7(13)4-8-5-11(17-3)9(12(14)15)6-10(8)16-2/h5-7H,4,13H2,1-3H3,(H,14,15)

PubChem CID: 44265203; ChemSpider: 23108623

Shulgin Index: See #55 DOCN; Table: 5 Page: 343 Row: 10

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

2414
Analogue 48: Substituting Hydroxy for Ethoxy at R4

DOOH
4-Hydroxy-2,5-dimethoxyamphetamine

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxyphenol

Formula: C11H17NO3 Molecular weight: 211.25758 g/mol InChI Key: XZYTWVYCADLTTI-UHFFFAOYSA-N

InChI=1S/C11H17NO3/c1-7(12)4-8-5-11(15-3)9(13)6-10(8)14-2/h5-7,13H,4,12H2,1-3H3

PubChem CID: 44265202; ChemSpider: 23108622

Shulgin Index: See #118 TMA-2; Table: 5 Page: 344 Row: 11

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

2413
Analogue 49: Substituting Propylaminocarbonyl for Ethoxy at R4

DOCONHP
2,5-Dimethoxy-4-(propylaminocarbonyl)amphetamine

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxy-N-propylbenzamide

Formula: C15H24N2O3 Molecular weight: 280.36266 g/mol InChI Key: VZDOPLQWWABTDV-UHFFFAOYSA-N

InChI=1S/C15H24N2O3/c1-5-6-17-15(18)12-9-13(19-3)11(7-10(2)16)8-14(12)20-4/h8-10H,5-7,16H2,1-4H3,(H,17,18)

PubChem CID: 44265221; ChemSpider: 23108641

Shulgin Index: See #55 DOCN; Table: 5 Page: 343 Row: 27

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

2412
Analogue 50: Substituting Propanoyl for Ethoxy at R4

DOCOE
2,5-Dimethoxy-4-propanonylamphetamine

IUPAC: 1-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]propan-1-one

Formula: C14H21NO3 Molecular weight: 251.32144 g/mol InChI Key: ACCIWGPKICCJMA-UHFFFAOYSA-N

InChI=1S/C14H21NO3/c1-5-12(16)11-8-13(17-3)10(6-9(2)15)7-14(11)18-4/h7-9H,5-6,15H2,1-4H3

PubChem CID: 44265278; ChemSpider: 23108731

Shulgin Index: See #55 DOCN; Table: 5 Page: 343 Row: 28

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

2411
Analogue 51: Substituting Butoxycarbonyl for Ethoxy at R4

DOCEB
4-Butoxycarbonyl-2,5-dimethoxyamphetamine

IUPAC: Butyl 4-(2-aminopropyl)-2,5-dimethoxybenzoate

Formula: C16H25NO4 Molecular weight: 295.374 g/mol InChI Key: DHCQOPOFDPDJGB-UHFFFAOYSA-N

InChI=1S/C16H25NO4/c1-5-6-7-21-16(18)13-10-14(19-3)12(8-11(2)17)9-15(13)20-4/h9-11H,5-8,17H2,1-4H3

PubChem CID: 44265214; ChemSpider: 23108630

Shulgin Index: See #55 DOCN; Table: 5 Page: 343 Row: 30

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

2410
Analogue 52: Substituting Propoxycarbonyl for Ethoxy at R4

DOCEP
2,5-Dimethoxy-4-propoxycarbonylamphetamine

IUPAC: Propyl 4-(2-aminopropyl)-2,5-dimethoxybenzoate

Formula: C15H23NO4 Molecular weight: 281.34742 g/mol InChI Key: WCFHJUFPNNTMGG-UHFFFAOYSA-N

InChI=1S/C15H23NO4/c1-5-6-20-15(17)12-9-13(18-3)11(7-10(2)16)8-14(12)19-4/h8-10H,5-7,16H2,1-4H3

PubChem CID: 15128244; ChemSpider: 23108640

Shulgin Index: See #55 DOCN; Table: 5 Page: 343 Row: 29

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

Glennon, RA; Raghupathi, R; Bartyzel, P; Teitler, M; Leonhardt, S. Binding of phenylalkylamine derivatives at 5-HT1C and 5-HT2 serotonin receptors: evidence for a lack of selectivity. J. Med. Chem., 1 Feb 1992, 35 (4), 734–740. 1054 kB. doi:10.1021/jm00082a014

2409
Analogue 53: Substituting n-Octyl for Ethoxy at R4

DOOC
2,5-Dimethoxy-4-n-octylamphetamine

IUPAC: 1-(2,5-Dimethoxy-4-octylphenyl)propan-2-amine

Formula: C19H33NO2 Molecular weight: 307.47082 g/mol InChI Key: YJEXIKLCPDHVQC-UHFFFAOYSA-N

InChI=1S/C19H33NO2/c1-5-6-7-8-9-10-11-16-13-19(22-4)17(12-15(2)20)14-18(16)21-3/h13-15H,5-12,20H2,1-4H3

PubChem CID: 44265204; ChemSpider: 23108624

Shulgin Index: See #60 DOM; Table: 5 Page: 344 Row: 8

Seggel, MR; Yousif, MY; Lyon, RA; Titeler, M; Roth, BL; Suba, EA; Glennon, RA. A structure-affinity study of the binding of 4-substituted analogues of 1-(2,5-dimethoxyphenyl)-2-aminopropane at 5-HT2 serotonin receptors. J. Med. Chem., 1 Mar 1990, 33 (3), 1032–1036. 807 kB. doi:10.1021/jm00165a023

7183
Analogue 54: Substituting Dimethylamino for Ethoxy at R4

DONMM

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxy-N,N-dimethylaniline

Formula: C13H22N2O2 Molecular weight: 238.32598 g/mol InChI Key: ZIJPPBTWERGKCU-UHFFFAOYSA-N

InChI=1S/C13H22N2O2/c1-9(14)6-10-7-13(17-5)11(15(2)3)8-12(10)16-4/h7-9H,6,14H2,1-5H3

PubChem CID: 10466736; ChemSpider: 8642147

Shulgin Index: See #61 DON; Table: 5 Page: 341 Row: 33

Scorza, M; Carrau, C; Silveira, R; Zapata-Torres, G; Cassels, BK; Reyes-Parada, M. Monoamine oxidase inhibitory properties of some methoxylated and alkylthio amphetamine derivatives. Biochem. Pharmacol., 15 Dec 1997, 54 (12), 1361–1369. 697 kB. doi:10.1016/S0006-2952(97)00405-X

7234
Analogue 55: Substituting Fluoromethyl for Ethoxy at R4

DOFM

IUPAC: 1-[4-(Fluoromethyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C12H18FNO2 Molecular weight: 227.2752232 g/mol InChI Key: ZKRHJAGMXZBOMW-UHFFFAOYSA-N

InChI=1S/C12H18FNO2/c1-8(14)4-9-5-12(16-3)10(7-13)6-11(9)15-2/h5-6,8H,4,7,14H2,1-3H3

Shulgin Index: See #60 DOM; Table: 5 Page: 342 Row: 34

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

7254
Analogue 56: Substituting Hydroxymethyl for Ethoxy at R4

DOHM

IUPAC: 4-(2-Aminopropyl)-2,5-dimethoxybenzaldehyde

Formula: C12H17NO3 Molecular weight: 223.26828 g/mol InChI Key: DNFAIVPALXHIOA-UHFFFAOYSA-N

InChI=1S/C12H17NO3/c1-8(13)4-9-5-12(16-3)10(7-14)6-11(9)15-2/h5-8H,4,13H2,1-3H3

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 4

7267
Analogue 57: Substituting n-Heptyl for Ethoxy at R4

DOHP

IUPAC: 1-(4-Heptyl-2,5-dimethoxyphenyl)propan-2-amine

Formula: C18H31NO2 Molecular weight: 293.44424 g/mol InChI Key: OTDMGXQPXDCJNK-UHFFFAOYSA-N

InChI=1S/C18H31NO2/c1-5-6-7-8-9-10-15-12-18(21-4)16(11-14(2)19)13-17(15)20-3/h12-14H,5-11,19H2,1-4H3

PubChem CID: 10469663; ChemSpider: 8645074

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 17

7268
Analogue 58: Substituting n-Nonyl for Ethoxy at R4

DONO

IUPAC: 1-(2,5-Dimethoxy-4-nonylphenyl)propan-2-amine

Formula: C20H35NO2 Molecular weight: 321.4974 g/mol InChI Key: IAURWCWNBAOSLI-UHFFFAOYSA-N

InChI=1S/C20H35NO2/c1-5-6-7-8-9-10-11-12-17-14-20(23-4)18(13-16(2)21)15-19(17)22-3/h14-16H,5-13,21H2,1-4H3

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 18

7275
Analogue 59: Substituting 2-Hydroxyethyl for Ethoxy at R4

DOEH

IUPAC: 2-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]ethanol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: XXLDJSGSZKURAM-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)6-11-8-12(16-2)10(4-5-15)7-13(11)17-3/h7-9,15H,4-6,14H2,1-3H3

PubChem CID: 14201978; ChemSpider: 21415075

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 25

7353
Analogue 60: Substituting 2-Hydroxypropoxy for Ethoxy at R4

M(2OP)M

IUPAC: 1-[4-(2-Aminopropyl)-2,5-dimethoxyphenoxy]propan-2-ol

Formula: C14H23NO4 Molecular weight: 269.33672 g/mol InChI Key: PLZQGTLBVBLWRF-UHFFFAOYSA-N

InChI=1S/C14H23NO4/c1-9(15)5-11-6-13(18-4)14(7-12(11)17-3)19-8-10(2)16/h6-7,9-10,16H,5,8,15H2,1-4H3

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 3

7354
Analogue 61: Substituting 3-Hydroxypropoxy for Ethoxy at R4

M(3OP)M

IUPAC: 3-[4-(2-Aminopropyl)-2,5-dimethoxyphenoxy]propan-1-ol

Formula: C14H23NO4 Molecular weight: 269.33672 g/mol InChI Key: UJYMLOWSDODCLN-UHFFFAOYSA-N

InChI=1S/C14H23NO4/c1-10(15)7-11-8-13(18-3)14(9-12(11)17-2)19-6-4-5-16/h8-10,16H,4-7,15H2,1-3H3

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 4

7361
Analogue 62: Substituting Benzyloxy for Ethoxy at R4

MBZM

IUPAC: 1-[4-(Benzyloxy)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C18H23NO3 Molecular weight: 301.38012 g/mol InChI Key: BUQHFKLOPGDEDI-UHFFFAOYSA-N

InChI=1S/C18H23NO3/c1-13(19)9-15-10-17(21-3)18(11-16(15)20-2)22-12-14-7-5-4-6-8-14/h4-8,10-11,13H,9,12,19H2,1-3H3

Shulgin Index: See #118 TMA-2; Table: 5 Page: 345 Row: 11

7404
Analogue 63: Substituting n-Butylthio for Ethoxy at R4

ALEPH-19

IUPAC: 1-[4-(Butylsulfanyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C15H25NO2S Molecular weight: 283.4295 g/mol InChI Key: GHEFZUSLOGYDQM-UHFFFAOYSA-N

InChI=1S/C15H25NO2S/c1-5-6-7-19-15-10-13(17-3)12(8-11(2)16)9-14(15)18-4/h9-11H,5-8,16H2,1-4H3

PubChem CID: 11450018; ChemSpider: 9624870

Shulgin Index: See #3 ALEPH; Table: 5 Page: 346 Row: 4

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

7413
Analogue 64: Substituting n-Pentylthio for Ethoxy at R4

ALEPH-S-amyl

IUPAC: 1-[2,5-Dimethoxy-4-(pentylsulfanyl)phenyl]propan-2-amine

Formula: C16H27NO2S Molecular weight: 297.45608 g/mol InChI Key: QJIMRIAYMMVZRY-UHFFFAOYSA-N

InChI=1S/C16H27NO2S/c1-5-6-7-8-20-16-11-14(18-3)13(9-12(2)17)10-15(16)19-4/h10-12H,5-9,17H2,1-4H3

PubChem CID: 11461761; ChemSpider: 9636601

Shulgin Index: See #3 ALEPH; Table: 5 Page: 346 Row: 13

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

7415
Analogue 65: Substituting Phenethylthio for Ethoxy at R4

ALEPH-S-PhEt

IUPAC: 1-[4-(Benzylsulfanyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C18H23NO2S Molecular weight: 317.44572 g/mol InChI Key: UJVBIPZRWSFCTC-UHFFFAOYSA-N

InChI=1S/C18H23NO2S/c1-13(19)9-15-10-17(21-3)18(11-16(15)20-2)22-12-14-7-5-4-6-8-14/h4-8,10-11,13H,9,12,19H2,1-3H3

Shulgin Index: See #3 ALEPH; Table: 5 Page: 346 Row: 15

Gallardo-Godoy, A; Fierro, A; McLean, TH; Castillo, M; Cassels, BK; Reyes-Parada, M; Nichols, DE. Sulfur-substituted α-alkyl phenethylamines as selective and reversible MAOA inhibitors: Biological activities, CoMFA analysis, and active site modeling. J. Med. Chem., 1 Jan 2005, 48 (7), 2407–2419. 901 kB. doi:10.1021/jm0493109

7416
Analogue 66: Substituting Methylsulfonyl for Ethoxy at R4

ALEPH sulfone

IUPAC: 1-[2,5-Dimethoxy-4-(methylsulfonyl)phenyl]propan-2-amine

Formula: C12H19NO4S Molecular weight: 273.34856 g/mol InChI Key: YDLBFQHWQNHGES-UHFFFAOYSA-N

InChI=1S/C12H19NO4S/c1-8(13)5-9-6-11(17-3)12(18(4,14)15)7-10(9)16-2/h6-8H,5,13H2,1-4H3

PubChem CID: 542054; ChemSpider: 472024

Shulgin Index: See #3 ALEPH; Table: 5 Page: 346 Row: 16

473
Analogue 67: Substituting 2,2,2-Trifluoroethyl for Ethoxy at R4

DOTFE

IUPAC: 1-[2,5-Dimethoxy-4-(2,2,2-trifluoroethyl)phenyl]propan-2-amine

Formula: C13H18F3NO2 Molecular weight: 277.2827296 g/mol InChI Key: OZFGHDLWUVVAPY-UHFFFAOYSA-N

InChI=1S/C13H18F3NO2/c1-8(17)4-9-5-12(19-3)10(6-11(9)18-2)7-13(14,15)16/h5-6,8H,4,7,17H2,1-3H3

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

469
Analogue 68: Substituting 2,2,2-Trifluoroethoxy for Ethoxy at R4

MTFEM

IUPAC: 1-[2,5-Dimethoxy-4-(2,2,2-trifluoroethoxy)phenyl]propan-2-amine

Formula: C13H18F3NO3 Molecular weight: 293.2821296 g/mol InChI Key: LFPUPGGEYLURDG-UHFFFAOYSA-N

InChI=1S/C13H18F3NO3/c1-8(17)4-9-5-11(19-3)12(6-10(9)18-2)20-7-13(14,15)16/h5-6,8H,4,7,17H2,1-3H3

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

468
Analogue 69: Substituting 2,2-Difluoroethoxy for Ethoxy at R4

MDFEM

IUPAC: 1-[4-(2,2-Difluoroethoxy)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C13H19F2NO3 Molecular weight: 275.2916664 g/mol InChI Key: AXKORAKXKXDBAF-UHFFFAOYSA-N

InChI=1S/C13H19F2NO3/c1-8(16)4-9-5-11(18-3)12(6-10(9)17-2)19-7-13(14)15/h5-6,8,13H,4,7,16H2,1-3H3

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

467
Analogue 70: Substituting 2-Fluoroethyoxy for Ethoxy at R4

MFEM

IUPAC: 1-[4-(2-Fluoroethoxy)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C13H20FNO3 Molecular weight: 257.3012032 g/mol InChI Key: HCQYGRWXRUZBGI-UHFFFAOYSA-N

InChI=1S/C13H20FNO3/c1-9(15)6-10-7-12(17-3)13(18-5-4-14)8-11(10)16-2/h7-9H,4-6,15H2,1-3H3

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

1523
Analogue 71: Substituting (Trifluoroacetyl)amino for Ethoxy at R4

DONCOTFM

IUPAC: N-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]-2,2,2-trifluoroacetamide

Formula: C13H17F3N2O3 Molecular weight: 306.2808896 g/mol InChI Key: RDORIUNLTWAGRE-UHFFFAOYSA-N

InChI=1S/C13H17F3N2O3/c1-7(17)4-8-5-11(21-3)9(6-10(8)20-2)18-12(19)13(14,15)16/h5-7H,4,17H2,1-3H3,(H,18,19)

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1522
Analogue 72: Substituting Propanoylamino for Ethoxy at R4

DONCOE

IUPAC: N-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]propanamide

Formula: C14H22N2O3 Molecular weight: 266.33608 g/mol InChI Key: OAMVCVFHVFIINA-UHFFFAOYSA-N

InChI=1S/C14H22N2O3/c1-5-14(17)16-11-8-12(18-3)10(6-9(2)15)7-13(11)19-4/h7-9H,5-6,15H2,1-4H3,(H,16,17)

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1521
Analogue 73: Substituting Formylamino for Ethoxy at R4

DONCO

IUPAC: N-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]formamide

Formula: C12H18N2O3 Molecular weight: 238.28292 g/mol InChI Key: HDSLNYKIIRTSHE-UHFFFAOYSA-N

InChI=1S/C12H18N2O3/c1-8(13)4-9-5-12(17-3)10(14-7-15)6-11(9)16-2/h5-8H,4,13H2,1-3H3,(H,14,15)

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1520
Analogue 74: Substituting 2-Methoxyethyl for Ethoxy at R4

DOMOM

IUPAC: 1-[2,5-Dimethoxy-4-(methoxymethyl)phenyl]propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: IACSUTUTFQAPTC-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)5-10-6-13(17-4)11(8-15-2)7-12(10)16-3/h6-7,9H,5,8,14H2,1-4H3

PubChem CID: 10934687; ChemSpider: 9109923

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1519
Analogue 75: Substituting 2-Methylthioethyl for Ethoxy at R4

DOMSM

IUPAC: 1-{2,5-Dimethoxy-4-[(methylsulfanyl)methyl]phenyl}propan-2-amine

Formula: C13H21NO2S Molecular weight: 255.37634 g/mol InChI Key: IXJATGGDEBTDAQ-UHFFFAOYSA-N

InChI=1S/C13H21NO2S/c1-9(14)5-10-6-13(16-3)11(8-17-4)7-12(10)15-2/h6-7,9H,5,8,14H2,1-4H3

PubChem CID: 69399016

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1518
Analogue 76: Substituting Sulfanylmethyl for Ethoxy at R4

DOHSM

IUPAC: [4-(2-Aminopropyl)-2,5-dimethoxyphenyl]methanethiol

Formula: C12H19NO2S Molecular weight: 241.34976 g/mol InChI Key: ZGLINLFLHGVUND-UHFFFAOYSA-N

InChI=1S/C12H19NO2S/c1-8(13)4-9-5-12(15-3)10(7-16)6-11(9)14-2/h5-6,8,16H,4,7,13H2,1-3H3

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1517
Analogue 77: Substituting 3,3,3-Trifluoropropyl for Ethoxy at R4

DOTFPR

IUPAC: 1-[2,5-Dimethoxy-4-(3,3,3-trifluoropropyl)phenyl]propan-2-amine

Formula: C14H20F3NO2 Molecular weight: 291.3093096 g/mol InChI Key: UNQHBLWLHZUVEJ-UHFFFAOYSA-N

InChI=1S/C14H20F3NO2/c1-9(18)6-11-8-12(19-2)10(7-13(11)20-3)4-5-14(15,16)17/h7-9H,4-6,18H2,1-3H3

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1516
Analogue 78: Substituting 2-Chloroethyl for Ethoxy at R4

DOCET

IUPAC: 1-[4-(2-Chloroethyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C13H20ClNO2 Molecular weight: 257.7564 g/mol InChI Key: SEPPDGJRABVPLK-UHFFFAOYSA-N

InChI=1S/C13H20ClNO2/c1-9(15)6-11-8-12(16-2)10(4-5-14)7-13(11)17-3/h7-9H,4-6,15H2,1-3H3

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1515
Analogue 79: Substituting Chloromethyl for Ethoxy at R4

DOCM

IUPAC: 1-[4-(Chloromethyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C12H18ClNO2 Molecular weight: 243.72982 g/mol InChI Key: KSWPNSXPMSQFIL-UHFFFAOYSA-N

InChI=1S/C12H18ClNO2/c1-8(14)4-9-5-12(16-3)10(7-13)6-11(9)15-2/h5-6,8H,4,7,14H2,1-3H3

PubChem CID: 10967899; ChemSpider: 9143110

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1514
Analogue 80: Substituting Bromomethyl for Ethoxy at R4

DOBM

IUPAC: 1-[4-(Bromomethyl)-2,5-dimethoxyphenyl]propan-2-amine

Formula: C12H18BrNO2 Molecular weight: 288.18082 g/mol InChI Key: QQVJWPHCOPXKEU-UHFFFAOYSA-N

InChI=1S/C12H18BrNO2/c1-8(14)4-9-5-12(16-3)10(7-13)6-11(9)15-2/h5-6,8H,4,7,14H2,1-3H3

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

1513
Analogue 81: Substituting Cyanomethyl for Ethoxy at R4

DOCNM

IUPAC: [4-(2-Aminopropyl)-2,5-dimethoxyphenyl]acetonitrile

Formula: C13H18N2O2 Molecular weight: 234.29422 g/mol InChI Key: YRDVSOCPGNXBIX-UHFFFAOYSA-N

InChI=1S/C13H18N2O2/c1-9(15)6-11-8-12(16-2)10(4-5-14)7-13(11)17-3/h7-9H,4,6,15H2,1-3H3

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

One R5 analogue:
121
Analogue 1: Substituting Ethoxy for Methoxy at R5

MEE
2-Methoxy-4,5-diethoxyamphetamine
4,5-Diethoxy-2-methoxyamphetamine

IUPAC: 1-(4,5-Diethoxy-2-methoxyphenyl)propan-2-amine

Formula: C14H23NO3 Molecular weight: 253.33732 g/mol InChI Key: LKJRFMXILZHUHU-UHFFFAOYSA-N

InChI=1S/C14H23NO3/c1-5-17-13-8-11(7-10(3)15)12(16-4)9-14(13)18-6-2/h8-10H,5-7,15H2,1-4H3

PubChem CID: 44719591; ChemSpider: 21106337; Wikipedia: MEE (psychedelic)

Shulgin Index: See #118 TMA-2; Table: 5 Page: 346 Row: 28

See also PiHKAL: #73 EEE #122 MEM    
See also Pharmacology notes I: p. 79, MEE: Subacute evaluation

Shulgin, AT. The ethyl homologs of 2,4,5-trimethoxyphenylisopropylamine. J. Med. Chem., 1 Jan 1968, 11 (1), 186–187. 242 kB. doi:10.1021/jm00307a056

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

37 isomers:
1
Isomer 1

AEM
α-Ethylmescaline
α-Ethyl-3,4,5-trimethoxyphenethylamine
2-Amino-1-(3,4,5-trimethoxyphenyl)butane
1-(3,4,5-Trimethoxyphenyl)-2-aminobutane

IUPAC: 1-(3,4,5-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: DCYONQVUAUEKAJ-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-10(14)6-9-7-11(15-2)13(17-4)12(8-9)16-3/h7-8,10H,5-6,14H2,1-4H3

PubChem CID: 204932; ChemSpider: 177522; Wikipedia: AEM (psychedelic)

Shulgin Index: #1 AEM; Table: 5 Page: 350 Row: 11

See also PiHKAL: #157 TMA      
See also Pharmacology notes I: p. 20, AEM: Subacute evaluation

Shulgin, AT. Psychotomimetic agents related to mescaline. Experientia, 1 Jan 1963, 19 (3), 127–128. 264 kB. doi:10.1007/BF02171586

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

9
Isomer 2

ASB
Asymbescaline
3,4-Diethoxy-5-methoxyphenethylamine

IUPAC: 2-(3,4-Diethoxy-5-methoxyphenyl)ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: VFOAVFQWZYUFQZ-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-16-12-9-10(6-7-14)8-11(15-3)13(12)17-5-2/h8-9H,4-7,14H2,1-3H3

PubChem CID: 45367; ChemSpider: 41279; Wikipedia: Asymbescaline

Shulgin Index: #8 ASB; Table: 5 Page: 351 Row: 2, #8 ASB; Table: 5 Page: 351 Row: 36

See also PiHKAL: #148 5-TASB #163 3-TME #178 3-T-TRIS  

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Jacob, P; Shulgin, AT. Sulfur analogues of psychotomimetic agents. 3. Ethyl homologues of mescaline and their monothioanalogues. J. Med. Chem., 1 Jan 1984, 27 (7), 881–887. 1213 kB. doi:10.1021/jm00373a013

25
Isomer 3

3C-E
4-Ethoxy-3,5-dimethoxyamphetamine
3,5-Dimethoxy-4-ethoxyamphetamine

IUPAC: 1-(4-Ethoxy-3,5-dimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: AHLXCGRWNKUNTQ-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-17-13-11(15-3)7-10(6-9(2)14)8-12(13)16-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 44350137; ChemSpider: 21106237; Wikipedia: 3C-E

Shulgin Index: See #117 TMA; Table: 5 Page: 351 Row: 1

See also PiHKAL: #72 E      
See also Pharmacology notes II: p. 222, 3C-E
35
Isomer 4

2C-O-4
4-Isopropoxy-2,5-dimethoxyphenethylamine
2,5-Dimethoxy-4-isopropoxyphenethylamine

IUPAC: 2-[2,5-Dimethoxy-4-(propan-2-yloxy)phenyl]ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: KAKXJLWAEMHHTL-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(2)17-13-8-11(15-3)10(5-6-14)7-12(13)16-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 44719510; ChemSpider: 21106225; Wikipedia: 2C-O-4

Shulgin Index: See #124 TMPEA-2; Table: 5 Page: 345 Row: 5

76
Isomer 5

EMM
2-Ethoxy-4,5-dimethoxyamphetamine
4,5-Dimethoxy-2-ethoxyamphetamine

IUPAC: 1-(2-Ethoxy-4,5-dimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: SKRNTJDDBVAEGB-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-17-11-8-13(16-4)12(15-3)7-10(11)6-9(2)14/h7-9H,5-6,14H2,1-4H3

PubChem CID: 44719565; ChemSpider: 21106299; Wikipedia: EMM (psychedelic)

Shulgin Index: See #118 TMA-2; Table: 5 Page: 344 Row: 28

See also PiHKAL: #73 EEE #121 MEE #122 MEM #136 MME
See also Pharmacology notes I: p. 60, EMM: Subacute evaluation

Shulgin, AT. The ethyl homologs of 2,4,5-trimethoxyphenylisopropylamine. J. Med. Chem., 1 Jan 1968, 11 (1), 186–187. 242 kB. doi:10.1021/jm00307a056

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

92
Isomer 6

IP
Isoproscaline
3,5-Dimethoxy-4-isopropoxyphenethylamine

IUPAC: 2-[3,5-Dimethoxy-4-(propan-2-yloxy)phenyl]ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: UBNHYNYMUORHAM-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(2)17-13-11(15-3)7-10(5-6-14)8-12(13)16-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 15102787; ChemSpider: 10439597; Wikipedia: Isoproscaline

Shulgin Index: See #91 Mescaline; Table: 5 Page: 351 Row: 13

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Nichols, DE; Dyer, DC. Lipophilicity and serotonin agonist activity in a series of 4-substituted mescaline analogues. J. Med. Chem., 1 Jan 1977, 20 (2), 299–301. 409 kB. doi:10.1021/jm00212a022

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

136
Isomer 7

MME
2,4-Dimethoxy-5-ethoxyamphetamine

IUPAC: 1-(5-Ethoxy-2,4-dimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: NAMNXRTWJMASNT-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-17-13-7-10(6-9(2)14)11(15-3)8-12(13)16-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 44719602; ChemSpider: 21106338; Wikipedia: MME (psychedelic)

Shulgin Index: See #118 TMA-2; Table: 5 Page: 346 Row: 26

See also PiHKAL: #73 EEE #75 EME #121 MEE #122 MEM
See also Pharmacology notes I: p. 77, MME: Subacute evaluation

Shulgin, AT. The ethyl homologs of 2,4,5-trimethoxyphenylisopropylamine. J. Med. Chem., 1 Jan 1968, 11 (1), 186–187. 242 kB. doi:10.1021/jm00307a056

Shulgin, AT; Sargent, T; Naranjo, C. Structure-activity relationships of one-ring psychotomimetics. Nature, 1 Jan 1969, 221, 537–541. 537 kB. doi:10.1038/221537a0

Shulgin, AT. Chemistry and structure-activity relationships of the psychotomimetics. In Psychotomimetic Drugs; Efron, DH, Ed., Raven Press, New York, 1 Jan 1970; pp 21–41. 8647 kB.

137
Isomer 8

MP
Metaproscaline
3,4-Dimethoxy-5-propoxyphenethylamine
3,4-Dimethoxy-5-n-propoxyphenethylamine

IUPAC: 2-(3,4-Dimethoxy-5-propoxyphenyl)ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: LRMHEQAATQTVRI-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-7-17-12-9-10(5-6-14)8-11(15-2)13(12)16-3/h8-9H,4-7,14H2,1-3H3

PubChem CID: 44375097; ChemSpider: 21106345; Wikipedia: Metaproscaline

Shulgin Index: See #91 Mescaline; Table: 5 Page: 352 Row: 5

See also PiHKAL: #119 ME #163 3-TME    

Jacob, P; Shulgin, AT. Sulfur analogues of psychotomimetic agents. 3. Ethyl homologues of mescaline and their monothioanalogues. J. Med. Chem., 1 Jan 1984, 27 (7), 881–887. 1213 kB. doi:10.1021/jm00373a013

140
Isomer 9

P
Proscaline
Proscaline
3,5-Dimethoxy-4-propoxyphenethylamine
3,5-Dimethoxy-4-n-propoxyphenethylamine

IUPAC: 2-(3,5-Dimethoxy-4-propoxyphenyl)ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: HYWLMSUAZVDUFW-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-7-17-13-11(15-2)8-10(5-6-14)9-12(13)16-3/h8-9H,4-7,14H2,1-3H3

PubChem CID: 15102790; ChemSpider: 10439596; Wikipedia: Proscaline

Shulgin Index: #104 Proscaline; Table: 5 Page: 351 Row: 11

See also PiHKAL: #72 E
#80 F-22
#123 MEPEA
#141 PE
#163 3-TME  
See also Pharmacology notes II: p. 209, Proscaline

Trachsel, D. Fluorine in psychedelic phenethylamines. Drug Test. Anal., 13 Dec 2011. 1038 kB. doi:10.1002/dta.413

Glennon, RA; Kier, LB; Shulgin, AT. Molecular connectivity analysis of hallucinogenic mescaline analogs. J. Pharm. Sci., 1 Jan 1979, 68 (7), 906–907. 252 kB. doi:10.1002/jps.2600680733

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Nichols, DE; Dyer, DC. Lipophilicity and serotonin agonist activity in a series of 4-substituted mescaline analogues. J. Med. Chem., 1 Jan 1977, 20 (2), 299–301. 409 kB. doi:10.1021/jm00212a022

Jacob, P; Shulgin, AT. Sulfur analogues of psychotomimetic agents. 3. Ethyl homologues of mescaline and their monothioanalogues. J. Med. Chem., 1 Jan 1984, 27 (7), 881–887. 1213 kB. doi:10.1021/jm00373a013

Nichols, DE; Shulgin, AT; Dyer, DC. Directional lipophilic character in a series of psychotomimetic phenethylamine derivatives. Life Sci., 1 Jan 1977, 21 (4), 569–576. 320 kB.

Meyers-Riggs, B. Leminger’s scalines. countyourculture: rational exploration of the underground, 4 May 2012.

144
Isomer 10

SB
Symbescaline
3,5-Diethoxy-4-methoxyphenethylamine

IUPAC: 2-(3,5-Diethoxy-4-methoxyphenyl)ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: ROKMKYBLAPLLER-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-16-11-8-10(6-7-14)9-12(17-5-2)13(11)15-3/h8-9H,4-7,14H2,1-3H3

PubChem CID: 44374890; ChemSpider: 21106384; Wikipedia: Symbescaline

Shulgin Index: See #91 Mescaline; Table: 5 Page: 351 Row: 33

See also PiHKAL: #9 ASB #163 3-TME    

Altun, A; Golcuk, K; Kumru, M; Jalbout, AF. Electron-conformation study for the structure-hallucinogenic activity relationships of phenylalkylamines. Bioorg. Med. Chem., 1 Dec 2003, 11 (24), 3861–3868. 577 kB. doi:10.1016/S0968-0896(03)00437-1

Jacob, P; Shulgin, AT. Sulfur analogues of psychotomimetic agents. 3. Ethyl homologues of mescaline and their monothioanalogues. J. Med. Chem., 1 Jan 1984, 27 (7), 881–887. 1213 kB. doi:10.1021/jm00373a013

189
Isomer 11

1-(2,5-Dimethoxy-4-methylphenyl)-N-hydroxy-2-aminobutane

IUPAC: 1-(2,5-Dimethoxy-4-methylphenyl)-N-hydroxybutan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: IODVUUDTFABAJR-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-11(14-15)7-10-8-12(16-3)9(2)6-13(10)17-4/h6,8,11,14-15H,5,7H2,1-4H3

See also PiHKAL: #8 ARIADNE      
190
Isomer 12

4C-TMPEA-6
1-(2,4,6-Trimethoxyphenyl)-2-aminobutane

IUPAC: 1-(2,4,6-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: RPZWJHJIKUKWKO-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-9(14)6-11-12(16-3)7-10(15-2)8-13(11)17-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 43565966

Shulgin Index: See #122 TMA-6; Table: 5 Page: 353 Row: 28

See also PiHKAL: #8 ARIADNE      
194
Isomer 13

BOED
2,5-Dimethoxy-β-ethoxy-4-methylphenethylamine

IUPAC: 2-(2,5-Dimethoxy-4-methylphenyl)-2-ethoxyethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: LZNFMACBNUDNGO-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-17-13(8-14)10-7-11(15-3)9(2)6-12(10)16-4/h6-7,13H,5,8,14H2,1-4H3

See also PiHKAL: #14 BOD      

Coutts, RT; Malicky, JL. The synthesis of analogs of the hallucinogen 1-(2,5-dimethoxy-4-methylphenyl)-2-aminopropane (DOM). II. Some ring-methoxylated 1-amino- and 2-aminoindanes. Can. J. Chem., 1 Feb 1974, 52 (3), 381–389. 615 kB. doi:10.1139/v74-061

244
Isomer 14

Z-7.2
4-Methyl-2,3,6-trimethoxyamphetamine

IUPAC: 1-(2,3,6-Trimethoxy-4-methylphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: OIVHGEYWNKYFLE-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-8-6-11(15-3)10(7-9(2)14)13(17-5)12(8)16-4/h6,9H,7,14H2,1-5H3

See also PiHKAL: #69 Ψ-DOM      
263
Isomer 15

Trichocerine
Trichocereine
N,N-Dimethylmescaline
N,N-Dimethyl-3,4,5-trimethoxyphenethylamine

IUPAC: N,N-Dimethyl-2-(3,4,5-trimethoxyphenyl)ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: BTSKBPJWJZFTPQ-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-14(2)7-6-10-8-11(15-3)13(17-5)12(9-10)16-4/h8-9H,6-7H2,1-5H3

PubChem CID: 420418; ChemSpider: 372161

Shulgin Index: #125 Trichocereine; Table: 5 Page: 350 Row: 25

See also PiHKAL: #96 M      
288
Isomer 16

N-Me-TMA
METHYL-TMA
N-Methyl-3,4,5-trimethoxyamphetamine

IUPAC: N-Methyl-1-(3,4,5-trimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: XYKHBBWJSFSLRF-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14-2)6-10-7-11(15-3)13(17-5)12(8-10)16-4/h7-9,14H,6H2,1-5H3

PubChem CID: 24257271; ChemSpider: 23900079

Shulgin Index: See #117 TMA; Table: 5 Page: 350 Row: 2

See also PiHKAL: #126 METHYL-DMA      
289
Isomer 17

N-Me-TMA-2
METHYL-TMA-2
N-Methyl-2,4,5-trimethoxyamphetamine

IUPAC: N-Methyl-1-(2,4,5-trimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: USTLBRBKMWJINX-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14-2)6-10-7-12(16-4)13(17-5)8-11(10)15-3/h7-9,14H,6H2,1-5H3

PubChem CID: 69454104

Shulgin Index: See #118 TMA-2; Table: 5 Page: 344 Row: 24

See also PiHKAL: #126 METHYL-DMA      
See also Pharmacology notes I: p. 59, N-Me-TMA-2: Subacute evaluation
290
Isomer 18

N-Me-TMA-6
METHYL-TMA-6
N-Methyl-2,4,6-trimethoxyamphetamine

IUPAC: N-Methyl-1-(2,4,6-trimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: VSIUFWGLSWJBHU-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14-2)6-11-12(16-4)7-10(15-3)8-13(11)17-5/h7-9,14H,6H2,1-5H3

PubChem CID: 69393054

Shulgin Index: See #122 TMA-6; Table: 5 Page: 353 Row: 27

See also PiHKAL: #126 METHYL-DMA      
2069
Isomer 19

2C-O-7
2C-O-7
2,5-Dimethoxy-4-n-propoxyphenethylamine

IUPAC: 2-(2,5-Dimethoxy-4-propoxyphenyl)ethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: RRKXVAQJHSSQHK-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-7-17-13-9-11(15-2)10(5-6-14)8-12(13)16-3/h8-9H,4-7,14H2,1-3H3

PubChem CID: 57474252

Shulgin Index: See #124 TMPEA-2; Table: 5 Page: 344 Row: 35

See also PiHKAL: #35 2C-O-4      
5549
Isomer 20

Salbutamol
N-tert-Butyl-β,4-dihydroxy-3-(hydroxymethyl)phenethylamine

IUPAC: 4-[2-(tert-Butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)phenol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: NDAUXUAQIAJITI-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-13(2,3)14-7-12(17)9-4-5-11(16)10(6-9)8-15/h4-6,12,14-17H,7-8H2,1-3H3

PubChem CID: 2083; ChemSpider: 1999; Wikipedia: Salbutamol

620
Isomer 21

homo-TMA-2

IUPAC: 4-(2,4,5-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: PDUFRZLKPVMEJH-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)5-6-10-7-12(16-3)13(17-4)8-11(10)15-2/h7-9H,5-6,14H2,1-4H3

PubChem CID: 3839009; ChemSpider: 3064644

Shulgin Index: See #91 Mescaline; Table: 10 Page: 358 Row: 27

622
Isomer 22

homo-TMA-3

IUPAC: 4-(2,3,4-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: JZNQOQZDPWRYGP-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)5-6-10-7-8-11(15-2)13(17-4)12(10)16-3/h7-9H,5-6,14H2,1-4H3

PubChem CID: 3041182; ChemSpider: 2304487

Shulgin Index: See #91 Mescaline; Table: 10 Page: 358 Row: 29

623
Isomer 23

homo-TMA-6

IUPAC: 4-(2,4,6-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: XCOSLSXZEMZDEY-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)5-6-11-12(16-3)7-10(15-2)8-13(11)17-4/h7-9H,5-6,14H2,1-4H3

PubChem CID: 3041180; ChemSpider: 2304485

Shulgin Index: See #91 Mescaline; Table: 10 Page: 358 Row: 30

6613
Isomer 24

N,N-Me-β,3,4-TMPEA

IUPAC: 2-(3,4-Dimethoxyphenyl)-2-methoxy-N,N-dimethylethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: JDECRXOMHIGGFQ-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-14(2)9-13(17-5)10-6-7-11(15-3)12(8-10)16-4/h6-8,13H,9H2,1-5H3

Shulgin Index: See #49 DMPEA; Table: 4 Page: 330 Row: 13

6870
Isomer 25

β-HO-β,N,N-Me-2,5-DMPEA

IUPAC: 2-(2,5-Dimethoxyphenyl)-1-(dimethylamino)propan-2-ol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: NDKCLAODTZQRKW-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-13(15,9-14(2)3)11-8-10(16-4)6-7-12(11)17-5/h6-8,15H,9H2,1-5H3

PubChem CID: 50632; ChemSpider: 45892

Shulgin Index: See #22 2C-H; Table: 4 Page: 335 Row: 20

6878
Isomer 26

β-HO-N,N-Me-2,5-DMA

IUPAC: 1-(2,5-Dimethoxyphenyl)-2-(dimethylamino)propan-1-ol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: IGNNPUVUCCOGBL-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14(2)3)13(15)11-8-10(16-4)6-7-12(11)17-5/h6-9,13,15H,1-5H3

PubChem CID: 46240; ChemSpider: 42098

Shulgin Index: See #36 2,5-DMA; Table: 4 Page: 335 Row: 28

6913
Isomer 27

β-HO-N-Me-2,5-DEPEA

IUPAC: 1-(2,5-Diethoxyphenyl)-2-(methylamino)ethanol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: ZTNAVFBSHZSJTJ-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-16-10-6-7-13(17-5-2)11(8-10)12(15)9-14-3/h6-8,12,14-15H,4-5,9H2,1-3H3

Shulgin Index: See #22 2C-H; Table: 4 Page: 336 Row: 13

6915
Isomer 28

β-HO-2,5-DEA

IUPAC: 2-Amino-1-(2,5-diethoxyphenyl)propan-1-ol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: BGSGDJXRVUYFFR-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-16-10-6-7-12(17-5-2)11(8-10)13(15)9(3)14/h6-9,13,15H,4-5,14H2,1-3H3

PubChem CID: 11253430; ChemSpider: 9428457

Shulgin Index: See #36 2,5-DMA; Table: 4 Page: 336 Row: 15

7016
Isomer 29

N-Me-TMA-3

IUPAC: N-Methyl-1-(2,3,4-trimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: HHLOEWSDUOAEAF-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14-2)8-10-6-7-11(15-3)13(17-5)12(10)16-4/h6-7,9,14H,8H2,1-5H3

ChemSpider: 21476716

Shulgin Index: See #119 TMA-3; Table: 5 Page: 338 Row: 16

7017
Isomer 30

4C-TMPEA-3

IUPAC: 1-(2,3,4-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: QMRNVOUMUIECKP-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-10(14)8-9-6-7-11(15-2)13(17-4)12(9)16-3/h6-7,10H,5,8,14H2,1-4H3

PubChem CID: 43566032

Shulgin Index: See #119 TMA-3; Table: 5 Page: 338 Row: 17

7255
Isomer 31

4C-HM

IUPAC: 4-(2-Aminobutyl)-2,5-dimethoxybenzaldehyde

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: SHHGHSUAGKMYFL-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-4-11(14)5-9-6-13(17-3)10(8-15)7-12(9)16-2/h6-7,11,15H,4-5,8,14H2,1-3H3

PubChem CID: 20315288

Shulgin Index: See #118 TMA-2; Table: 5 Page: 343 Row: 5

7262
Isomer 32

BOE

IUPAC: 2-(4-Ethyl-2,5-dimethoxyphenyl)-2-methoxyethanamine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: IJTKRVQOZAXRFT-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-9-6-12(16-3)10(7-11(9)15-2)13(8-14)17-4/h6-7,13H,5,8,14H2,1-4H3

PubChem CID: 10331826; ChemSpider: 8507286

Shulgin Index: See #14 BOB; Table: 5 Page: 343 Row: 12

Torres, MA; Cassels, B; Rezende, MC. The preparation of potentially psychoactive β-alkoxyphenethylamines. Synth. Commun., 1 Jan 1995, 25 (8), 1239–1247. 415 kB. doi:10.1080/00397919508012687

7275
Isomer 33

DOEH

IUPAC: 2-[4-(2-Aminopropyl)-2,5-dimethoxyphenyl]ethanol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: XXLDJSGSZKURAM-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)6-11-8-12(16-2)10(4-5-15)7-13(11)17-3/h7-9,15H,4-6,14H2,1-3H3

PubChem CID: 14201978; ChemSpider: 21415075

Shulgin Index: See #60 DOM; Table: 5 Page: 343 Row: 25

7327
Isomer 34

4C-MeO

IUPAC: 1-(2,4,5-Trimethoxyphenyl)butan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: AJLCTEZQDLTABS-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-5-10(14)6-9-7-12(16-3)13(17-4)8-11(9)15-2/h7-8,10H,5-6,14H2,1-4H3

PubChem CID: 43566022

Shulgin Index: See #118 TMA-2; Table: 5 Page: 344 Row: 27

7570
Isomer 35

DESMETHYL-iPr

IUPAC: 2,6-Dimethoxy-4-[2-(propan-2-ylamino)ethyl]phenol

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: MQVBLDXCDVGWQB-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(2)14-6-5-10-7-11(16-3)13(15)12(8-10)17-4/h7-9,14-15H,5-6H2,1-4H3

Shulgin Index: See #29 DESMETHYL; Table: 5 Page: 349 Row: 20

7609
Isomer 36

α-MM-M

IUPAC: 2-Methyl-1-(3,4,5-trimethoxyphenyl)propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: XCMXEBPTBOCOFV-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-13(2,14)8-9-6-10(15-3)12(17-5)11(7-9)16-4/h6-7H,8,14H2,1-5H3

PubChem CID: 3029803; ChemSpider: 2295076

Shulgin Index: See #117 TMA; Table: 5 Page: 350 Row: 9

1520
Isomer 37

DOMOM

IUPAC: 1-[2,5-Dimethoxy-4-(methoxymethyl)phenyl]propan-2-amine

Formula: C13H21NO3 Molecular weight: 239.31074 g/mol InChI Key: IACSUTUTFQAPTC-UHFFFAOYSA-N

InChI=1S/C13H21NO3/c1-9(14)5-10-6-13(17-4)11(8-15-2)7-12(10)16-3/h6-7,9H,5,8,14H2,1-4H3

PubChem CID: 10934687; ChemSpider: 9109923

Schulze-Alexandru, M; Kovar, K; Vedani, A. Quasi-atomistic receptor surrogates for the 5-HT2A receptor: A 3D-QSAR study on hallucinogenic substances. Quant. Struct.-Act. Relat., 1 Dec 1999, 18 (6), 548–560. 312 kB. doi:10.1002/(SICI)1521-3838(199912)18:6<548::AID-QSAR548>3.0.CO;2-B

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