Amphetamines - Biblioteka.sk

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Amphetamines
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Substituted amphetamine
Drug class
Racemic amphetamine skeleton
Class identifiers
Chemical classSubstituted derivatives of amphetamine
Legal status
In Wikidata
Optical isomers of amphetamine
L-amphetamine D-amphetamine

Substituted amphetamines are a class of compounds based upon the amphetamine structure;[1] it includes all derivative compounds which are formed by replacing, or substituting, one or more hydrogen atoms in the amphetamine core structure with substituents.[1][2][3][4] The compounds in this class span a variety of pharmacological subclasses, including stimulants, empathogens, and hallucinogens, among others.[2] Examples of substituted amphetamines are amphetamine (itself),[1][2] methamphetamine,[1] ephedrine,[1] cathinone,[1] phentermine,[1] mephentermine,[1] tranylcypromine,[5] bupropion,[1] methoxyphenamine,[1] selegiline,[1] amfepramone (diethylpropion),[1] pyrovalerone,[1] MDMA (ecstasy), and DOM (STP).

Some of amphetamine's substituted derivatives occur in nature, for example in the leaves of Ephedra and khat plants.[1] Amphetamine was first produced at the end of the 19th century. By the 1930s, amphetamine and some of its derivative compounds found use as decongestants in the symptomatic treatment of colds and also occasionally as psychoactive agents. Their effects on the central nervous system are diverse, but can be summarized by three overlapping types of activity: psychoanaleptic, hallucinogenic and empathogenic. Various substituted amphetamines may cause these actions either separately or in combination.

Partial list of substituted amphetamines

Generic or Trivial Name Chemical Name # of Subs
Amphetamine α-Methyl-phenethylamine 0
Methamphetamine N-Methylamphetamine 1
Ethylamphetamine N-Ethylamphetamine 1
Propylamphetamine N-Propylamphetamine 1
Isopropylamphetamine N-iso-Propylamphetamine 1
Phentermine α-Methylamphetamine 1
Phenylpropanolamine (PPA) β-Hydroxyamphetamine, (1R,2S)- 1
Cathine β-Hydroxyamphetamine, (1S,2S)- 1
Cathinone β-Ketoamphetamine 1
Ortetamine 2-Methylamphetamine 1
2-Fluoroamphetamine (2-FA) 2-Fluoroamphetamine 1
3-Methylamphetamine (3-MA) 3-Methylamphetamine 1
2-Phenyl-3-aminobutane 2-Phenyl-3-aminobutane 1
Tranylcypromine Trans-2-phenylcyclopropylamine  
3-Fluoroamphetamine (3-FA) 3-Fluoroamphetamine 1
Norfenfluramine 3-Trifluoromethylamphetamine 1
4-Methylamphetamine (4-MA) 4-Methylamphetamine 1
para-Methoxyamphetamine (PMA) 4-Methoxyamphetamine 1
para-Ethoxyamphetamine 4-Ethoxyamphetamine 1
4-Methylthioamphetamine (4-MTA) 4-Methylthioamphetamine 1
Norpholedrine (α-Me-TRA) 4-Hydroxyamphetamine 1
para-Bromoamphetamine (PBA, 4-BA) 4-Bromoamphetamine 1
para-Chloroamphetamine (PCA, 4-CA) 4-Chloroamphetamine 1
para-Fluoroamphetamine (PFA, 4-FA, 4-FMP) 4-Fluoroamphetamine 1
para-Iodoamphetamine (PIA, 4-IA) 4-Iodoamphetamine 1
Clobenzorex N-(2-chlorobenzyl)-1-phenylpropan-2-amine 1
Dimethylamphetamine N,N-Dimethylamphetamine 2
Benzphetamine N-Benzyl-N-methylamphetamine 2
D-Deprenyl N-Methyl-N-propargylamphetamine, (S)- 2
Selegiline N-Methyl-N-propargylamphetamine, (R)- 2
Mephentermine N-Methyl-α-methylamphetamine 2
Phenpentermine α,β-Dimethylamphetamine 2
Ephedrine β-Hydroxy-N-methylamphetamine, (1R,2S)- 2
Pseudoephedrine (PSE) β-Hydroxy-N-methylamphetamine, (1S,2S)- 2
Methcathinone β-Keto-N-methylamphetamine 2
Ethcathinone β-Keto-N-ethylamphetamine 2
Clortermine 2-Chloro-α-methylamphetamine 2
Methoxymethylamphetamine (MMA) 3-Methoxy-4-methylamphetamine 2
Fenfluramine 3-Trifluoromethyl-N-ethylamphetamine 2
Dexfenfluramine 3-Trifluoromethyl-N-ethylamphetamine, (S)- 2
4-Methylmethamphetamine (4-MMA) 4-Methyl-N-methylamphetamine 2
para-Methoxymethamphetamine (PMMA) 4-Methoxy-N-methylamphetamine 2
para-Methoxyethylamphetamine (PMEA) 4-Methoxy-N-ethylamphetamine 2
Pholedrine 4-Hydroxy-N-methylamphetamine 2
Chlorphentermine 4-Chloro-α-methylamphetamine 2
para-Fluoromethamphetamine (PFMA, 4-FMA) 4-Fluoro-N-methylamphetamine 2
Xylopropamine 3,4-Dimethylamphetamine 2
α-Methyldopamine (α-Me-DA) 3,4-Dihydroxyamphetamine 2
3,4-Methylenedioxyamphetamine (MDA) 3,4-Methylenedioxyamphetamine 2
Dimethoxyamphetamine (DMA) X,X-Dimethoxyamphetamine 2
6-APB 6-(2-aminopropyl)benzofuran 2
Nordefrin (α-Me-NE) β,3,4-Trihydroxyamphetamine, (R)- 3
Oxilofrine β,4-Dihydroxy-N-methylamphetamine 3
Aleph 2,5-dimethoxy-4-methylthioamphetamine 3
Dimethoxybromoamphetamine (DOB) 2,5-Dimethoxy-4-bromoamphetamine 3
Dimethoxychloroamphetamine (DOC) 2,5-Dimethoxy-4-chloroamphetamine 3
Dimethoxyfluoroethylamphetamine (DOEF) 2,5-Dimethoxy-4-fluoroethylamphetamine 3
Dimethoxyethylamphetamine (DOET) 2,5-Dimethoxy-4-ethylamphetamine 3
Dimethoxyfluoroamphetamine (DOF) 2,5-Dimethoxy-4-fluoroamphetamine 3
Dimethoxyiodoamphetamine (DOI) 2,5-Dimethoxy-4-iodoamphetamine 3
Dimethoxymethylamphetamine (DOM) 2,5-Dimethoxy-4-methylamphetamine 3
Dimethoxynitroamphetamine (DON) 2,5-Dimethoxy-4-nitroamphetamine 3
Dimethoxypropylamphetamine (DOPR) 2,5-Dimethoxy-4-propylamphetamine 3
Dimethoxytrifluoromethylamphetamine (DOTFM) 2,5-Dimethoxy-4-trifluoromethylamphetamine 3
Methylenedioxymethamphetamine (MDMA) 3,4-Methylenedioxy-N-methylamphetamine 3
Methylenedioxyethylamphetamine (MDEA) 3,4-Methylenedioxy-N-ethylamphetamine 3
Methylenedioxyhydroxyamphetamine (MDOH) 3,4-Methylenedioxy-N-hydroxyamphetamine 3
2-Methyl-MDA 3,4-Methylenedioxy-2-methylamphetamine 3
5-Methyl-MDA 4,5-Methylenedioxy-3-methylamphetamine 3
Methoxymethylenedioxyamphetamine (MMDA) 3-Methoxy-4,5-methylenedioxyamphetamine 3
Trimethoxyamphetamine (TMA) X,X,X-Trimethoxyamphetamine 3
Dimethylcathinone β-Keto-N,N-dimethylamphetamine 3
Diethylcathinone β-Keto-N,N-diethylamphetamine 3
Bupropion β-Keto-3-chloro-N-tert-butylamphetamine 3
Mephedrone (4-MMC) β-Keto-4-methyl-N-methylamphetamine 3
Methedrone (PMMC) β-Keto-4-methoxy-N-methylamphetamine 3
Brephedrone (4-BMC) β-Keto-4-bromo-N-methylamphetamine 3
Flephedrone (4-FMC) β-Keto-4-fluoro-N-methylamphetamine 3

Prodrugs of amphetamine/methamphetamine

A variety of prodrugs of amphetamine and/or methamphetamine exist, and include amfecloral, amphetaminil, benzphetamine, clobenzorex, D-deprenyl, dimethylamphetamine, ethylamphetamine, fencamine, fenethylline, fenproporex, furfenorex, lisdexamfetamine, mefenorex, prenylamine, and selegiline.[6]

Structure

This shows phenethylamine in blue with its substitution points marked. Amphetamine and its substituted derivatives contain a CH3 group at the alpha-position (Rα).
This shows amphetamine with its substitution points marked, excluding the N-position at the NH2 group which is unmarked. The wavy line between α carbon and CH3 group indicates isomerism; the CH3 group may either be towards or away from the viewer.

Amphetamines are a subgroup of the substituted phenethylamine class of compounds. Substitution of hydrogen atoms results in a large class of compounds. Typical reaction is substitution by methyl and sometimes ethyl groups at the amine and phenyl sites:[8][9][10]

Substance Substituents Structure Sources
N α β phenyl group
2 3 4 5
Phenethylamine Phenethylamine
Amphetamine (α-methylphenylethylamine) -CH3 Amphetamine [7]
Methamphetamine (N-methylamphetamine) -CH3 -CH3 Methamphetamine [7]
Phentermine (α-methylamphetamine) -(CH3)2 Phentermine [7]
Ephedrine -CH3 -CH3 -OH (+)-Ephedrine [7]
Pseudoephedrine -CH3 -CH3 -OH (+)-Pseudoephedrine [7]
Cathinone -CH3 =O Cathinone [7]
Methcathinone (ephedrone) -CH3 -CH3 =O Methcathinone [7]
MDA (3,4-methylenedioxyamphetamine) -CH3 -O-CH2-O- 3,4-methylenedioxyamphetamine [7]
MDMA (3,4-methylenedioxymethamphetamine) -CH3 -CH3 -O-CH2-O- 3,4-methylenedioxymethamphetamine [7]
MDEA (3,4-methylenedioxy-N-ethylamphetamine) -CH2-CH3 -CH3 -O-CH2-O- methylenedioxyethylamphetamine [7]
EDMA (3,4-ethylenedioxy-N-methylamphetamine) -CH3 -CH3 -O-CH2-CH2-O- 3,4-ethylenedioxy-N-methylamphetamine
MBDB (N-methyl-1,3-benzodioxolylbutanamine) -CH3 -CH2-CH3 -O-CH2-O- N-methyl-1-(3,4-methylenedioxyphenyl)-2-aminobutane
PMA (para-methoxyamphetamine) -CH3 -O-CH3 para-methoxyamphetamine
PMMA (para-methoxymethamphetamine) -CH3 -CH3 -O-CH3 para-methoxymethamphetamine
4-MTA (4-methylthioamphetamine) -CH3 -S-CH3 4-methylthioamphetamine
3,4-DMA (3,4-dimethoxyamphetamine) -CH3 -O-CH3 -O-CH3 dimethoxyamphetamine
3,4,5-Trimethoxyamphetamine (α-methylmescaline) Zdroj:https://en.wikipedia.org?pojem=Amphetamines
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