3,4,5-Trimethoxyamphetamine

3,4,5-Trimethoxyamphetamine
Clinical data
Other names	Trimethoxyamphetamine; TMA; TMA-1; 3,4,5-TMA; α-Methylmescaline; alpha-Methylmescaline; AMM; Mescalamphetamine; 3,4,5-Trimethoxy-α-methylphenethylamine
Drug class	Serotonergic psychedelic; Hallucinogen
Identifiers
	IUPAC name 1-(3,4,5-trimethoxyphenyl)propan-2-amine;
CAS Number	1082-88-8;
PubChem CID	31016;
DrugBank	DB01516;
ChemSpider	28775;
UNII	P2K02L3YON;
KEGG	C22747;
ChEMBL	ChEMBL30336;
Chemical and physical data
Formula	C12H19NO3
Molar mass	225.288 g·mol−1
3D model (JSmol)	Interactive image;
	SMILES CC(CC1=CC(=C(C(=C1)OC)OC)OC)N;
	InChI InChI=1S/C12H19NO3/c1-8(13)5-9-6-10(14-2)12(16-4)11(7-9)15-3/h6-8H,5,13H2,1-4H3; Key:WGTASENVNYJZBK-UHFFFAOYSA-N;

Trimethoxyamphetamine (TMA or TMA-1), also known as 3,4,5-trimethoxyamphetamine (3,4,5-TMA), α-methylmescaline, or mescalamphetamine, is a psychedelic drug of the phenethylamine and amphetamine families.^[1]^[2] It is one of the trimethoxyamphetamine (TMA) series of positional isomers.^[1]^[2] The drug is notable in being the amphetamine (i.e., α-methylated) analogue of mescaline (3,4,5-trimethoxyphenethylamine).^[1]^[2]

TMA is said to be active at doses of 100 to 250 mg and to have a duration of 6 to 8 hours.^[1]^[3] For comparison, mescaline is typically used at doses of 200 to 500 mg and is said to have a duration of 10 to 12 hours or longer.^[4] TMA's positional isomer 2,4,5-trimethoxyamphetamine (2,4,5-TMA or TMA-2) is much more potent than TMA, with a dosage of 20 to 40 mg and a duration of 8 to 12 hours.^[5]

References

^ ^a ^b ^c ^d Shulgin AT, Shulgin A (1991). "#157 TMA 3,4,5-TRIMETHOXYAMPHETAMINE". PiHKAL: A Chemical Love Story (1st ed.). Berkeley, CA: Transform Press. ISBN 9780963009609. OCLC 25627628.
^ ^a ^b ^c Shulgin A, Manning T, Daley PF (2011). "#117. TMA". The Shulgin Index, Volume One: Psychedelic Phenethylamines and Related Compounds. Vol. 1. Berkeley: Transform Press. ISBN 978-0-9630096-3-0.
^ Halberstadt AL, Luethi D, Hoener MC, Trachsel D, Brandt SD, Liechti ME (January 2023). "Use of the head-twitch response to investigate the structure-activity relationships of 4-thio-substituted 2,5-dimethoxyphenylalkylamines". Psychopharmacology (Berl). 240 (1): 115–126. doi:10.1007/s00213-022-06279-2. PMC 9816194. PMID 36477925. For example, 3,4,5-trimethoxyamphetamine (TMA) is active at a dose range of 100–250 mg, whereas its 2,4,5-regioisomer (2,4,5-trimethoxyamphetamine, TMA-2) is active at 20–40 mg (Shulgin and Shulgin 1991).
^ Vamvakopoulou IA, Narine KA, Campbell I, Dyck JR, Nutt DJ (January 2023). "Mescaline: The forgotten psychedelic". Neuropharmacology. 222: 109294. doi:10.1016/j.neuropharm.2022.109294. PMID 36252614.
^ Shulgin AT, Shulgin A (1991). "#158 TMA-2 2,4,5-TRIMETHOXYAMPHETAMINE". PiHKAL: A Chemical Love Story (1st ed.). Berkeley, CA: Transform Press. ISBN 9780963009609. OCLC 25627628.

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[PiHKAL-1] Shulgin AT, Shulgin A (1991). "#157 TMA 3,4,5-TRIMETHOXYAMPHETAMINE". PiHKAL: A Chemical Love Story (1st ed.). Berkeley, CA: Transform Press. ISBN 9780963009609. OCLC 25627628.

[ShulginManningDaley2011-2] Shulgin A, Manning T, Daley PF (2011). "#117. TMA". The Shulgin Index, Volume One: Psychedelic Phenethylamines and Related Compounds. Vol. 1. Berkeley: Transform Press. ISBN 978-0-9630096-3-0.

[HalberstadtLuethiHoener2023-3] Halberstadt AL, Luethi D, Hoener MC, Trachsel D, Brandt SD, Liechti ME (January 2023). "Use of the head-twitch response to investigate the structure-activity relationships of 4-thio-substituted 2,5-dimethoxyphenylalkylamines". Psychopharmacology (Berl). 240 (1): 115–126. doi:10.1007/s00213-022-06279-2. PMC 9816194. PMID 36477925. For example, 3,4,5-trimethoxyamphetamine (TMA) is active at a dose range of 100–250 mg, whereas its 2,4,5-regioisomer (2,4,5-trimethoxyamphetamine, TMA-2) is active at 20–40 mg (Shulgin and Shulgin 1991).

[VamvakopoulouNarineCampbell2023-4] Vamvakopoulou IA, Narine KA, Campbell I, Dyck JR, Nutt DJ (January 2023). "Mescaline: The forgotten psychedelic". Neuropharmacology. 222: 109294. doi:10.1016/j.neuropharm.2022.109294. PMID 36252614.

[PiHKAL-TMA-2-5] Shulgin AT, Shulgin A (1991). "#158 TMA-2 2,4,5-TRIMETHOXYAMPHETAMINE". PiHKAL: A Chemical Love Story (1st ed.). Berkeley, CA: Transform Press. ISBN 9780963009609. OCLC 25627628.

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v t e Phenethylamines
Phenethylamines	Psychedelics: 25B-NBOMe 25C-NBOMe 25D-NBOMe 25I-NBOMe 25N-NBOMe 2C-B 2C-B-AN 2C-Bn 2C-Bu 2C-C 2C-CN 2C-CP 2C-D 2C-E 2C-EF 2C-F 2C-G 2C-G-1 2C-G-2 2C-G-3 2C-G-4 2C-G-5 2C-G-6 2C-G-N 2C-H 2C-I 2C-iP 2C-N 2C-NH2 2C-O 2C-O-4 2C-P 2C-Ph 2C-SE 2C-T 2C-T-2 2C-T-3 2C-T-4 2C-T-5 2C-T-6 2C-T-7 2C-T-8 2C-T-9 2C-T-10 2C-T-11 2C-T-12 2C-T-13 2C-T-14 2C-T-15 2C-T-16 2C-T-17 2C-T-18 2C-T-19 2C-T-20 2C-T-21 2C-T-22 2C-T-22.5 2C-T-23 2C-T-24 2C-T-25 2C-T-27 2C-T-28 2C-T-30 2C-T-31 2C-T-32 2C-T-33 2C-TFE 2C-TFM 2C-YN 2C-V Allylescaline DESOXY Escaline Isoproscaline Jimscaline Macromerine MEPEA Mescaline Metaescaline Methallylescaline Proscaline Psi-2C-T-4 TCB-2 Stimulants: Phenylethanolamine Hordenine Phenethylamine Phenpromethamine α-Methylphenethylamine (amphetamine) β-Methylphenethylamine m-Methylphenethylamine N-Methylphenethylamine o-Methylphenethylamine p-Methylphenethylamine Methylphenidate Entactogens: Lophophine MDPEA MDMPEA Others: BOH DMPEA
Amphetamines	Psychedelics: 3C-AL 3C-BZ 3C-E 3C-MAL 3C-P Aleph Beatrice Bromo-DragonFLY D-Deprenyl DMA DMCPA DMMDA DOB DOC DOEF DOET DOI DOM DON DOPR DOTFM Ganesha MMDA MMDA-2 Psi-DOM TMA TeMA ZDCM-04 Stimulants: 2-FA 2-FMA 3-FA 3-FMA Acridorex Alfetamine Amfecloral Amfepentorex Amphetamine (Dextroamphetamine, Levoamphetamine) Amphetaminil Benfluorex Benzphetamine Cathine Clobenzorex Dimethylamphetamine Ephedrine Etilamfetamine Fencamfamin Fencamine Fenethylline Fenfluramine (Dexfenfluramine, Levofenfluramine) Fenproporex Flucetorex Fludorex Formetorex Furfenorex Gepefrine 4-Hydroxyamphetamine Iofetamine Isopropylamphetamine Lefetamine Lisdexamfetamine Mefenorex Metaraminol Methamphetamine (Dextromethamphetamine, Levomethamphetamine) Methoxyphenamine MMA Morforex Norfenfluramine L-Norpseudoephedrine N,alpha-Diethylphenylethylamine Oxifentorex Oxilofrine Ortetamine PBA PCA PFA PFMA PIA PMA PMEA PMMA Phenylpropanolamine Pholedrine Prenylamine Propylamphetamine Pseudoephedrine Sibutramine Tiflorex Tranylcypromine Xylopropamine Zylofuramine Entactogens: 4-FA 4-FMA 4-MA 4-MMA 4-MTA 5-APB 5-APDB 5-EAPB 5-IT 5-MAPB 5-MAPDB 6-APB 6-APDB 6-Chloro-MDMA 6-EAPB 6-IT 6-MAPB 6-MAPDB EDA IAP 2,3-MDA 3,4-MDA (tenamfetamine) MDEA MDHMA MDMA (midomafetamine) MDOH Methamnetamine MMDMA Naphthylaminopropane TAP Others: 3,4-DCA Amiflamine DiFMDA Selegiline (also D-Deprenyl)
Phentermines	Stimulants: Chlorphentermine Cloforex Clortermine Etolorex Mephentermine Pentorex Phentermine Entactogens: MDPH MDMPH Others: Cericlamine
Cathinones	Stimulants: 3-FMC 4-MC 4-BMC 4-CMC 4-EMC 4-FMC 4-MEC 4-MeMABP 4-MPD Amfepramone Benzedrone Brephedrone Buphedrone Bupropion Cathinone Dimethylcathinone Ethcathinone Eutylone Hydroxybupropion Methcathinone Methedrone NEB N-Ethylhexedrone N-Ethylpentedrone Pentedrone Pentylone Radafaxine Entactogens: 3,4-DMMC 3-MMC Butylone Ethylone Methylone Methylenedioxycathinone Mephedrone
Phenylisobutylamines	Entactogens: 4-CAB 4-MAB Ariadne BDB Butylone EBDB Eutylone MBDB Stimulants: Phenylisobutylamine
Phenylalkylpyrrolidines	Stimulants: α-PBP α-PHP α-PPP α-PVP MDPBP MDPPP MDPV 4-MePBP 4-MePHP 4-MePPP MOPPP MOPVP MPBP MPHP MPPP Naphyrone PEP Prolintane Pyrovalerone
Catecholamines (and close relatives)	6-FNE 6-OHDA a-Me-DA a-Me-TRA Adrenochrome Ciladopa D-DOPA (Dextrodopa) Dimetofrine Dopamine Epinephrine Epinine Etilefrine Ethylnorepinephrine Fenclonine Ibopamine Isoprenaline Isoetarine L-DOPA (Levodopa) L-DOPS (Droxidopa) L-Phenylalanine L-Tyrosine m-Tyramine Metanephrine Metaraminol Metaterol Metirosine Methyldopa N,N-Dimethyldopamine Nordefrin (Levonordefrin) Norepinephrine Norfenefrine (m-Octopamine) Normetanephrine Orciprenaline p-Octopamine p-Tyramine Phenylephrine Synephrine
Miscellaneous	AL-LAD Amidephrine Arbutamine Cafedrine Denopamine Desvenlafaxine Diphenidine Dizocilpine Dobutamine Dopexamine Ephenidine Etafedrine ETH-LAD Famprofazone Fluorolintane Hexapradol IP-LAD Lysergic acid amide Lysergic acid 2-butyl amide Lysergic acid 2,4-dimethylazetidide Lysergic acid diethylamide Methoxamine Methoxphenidine MT-45 PARGY-LAD Phenibut PRO-LAD Pronethalol Salbutamol (Levosalbutamol) Solriamfetol Theodrenaline Thiamphenicol UWA-101 Venlafaxine

See also

References