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| Formula | C12H15FN2 |
| Molar mass | 206.264 g·mol−1 |
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5-Fluoro-α-ethyltryptamine (5-F-AET) is a tryptamine derivative which acts as a serotonin–dopamine releasing agent and agonist of the 5-HT2A receptor. [1]
α-Methyltryptamine is a psychedelic, stimulant, and entactogen drug of the tryptamine class. It was originally developed as an antidepressant by workers at Upjohn in the 1960s, and was used briefly as an antidepressant in Russia under the trade name Indopan before being discontinued.
α-Ethyltryptamine, also known as etryptamine, is a psychedelic, stimulant, and entactogenic drug of the tryptamine class. It was originally developed and marketed as an antidepressant under the brand name Monase by Upjohn in the 1960s.
Psilocin is a substituted tryptamine alkaloid and a serotonergic psychedelic substance. It is present in most psychedelic mushrooms together with its phosphorylated counterpart psilocybin. Psilocin is a Schedule I drug under the Convention on Psychotropic Substances. The mind-altering effects of psilocin are highly variable and subjective and resemble those of LSD and DMT.
5-Methoxy-alpha-ethyltryptamine (5-MeO-α-ET) is a psychoactive drug and member of the tryptamine chemical class. It produces psychedelic, entactogenic, and stimulant effects.
5-Fluoro-α-methyltryptamine, also known as PAL-544, is a putative stimulant, entactogen, and psychedelic tryptamine derivative related to α-methyltryptamine (αMT). It has been found to act as a well-balanced serotonin-norepinephrine-dopamine releasing agent, a 5-HT2A receptor agonist, and a potent and specific MAO-A inhibitor. It produces a strong head-twitch response in mice, and this effect is known to correlate with psychedelic effects in humans, which suggests that 5-fluoro-αMT could be an active psychedelic in humans, although it is not known to have been tested in humans and could be dangerous due to its strong inhibition of MAO-A.
A serotonin releasing agent (SRA) is a type of drug that induces the release of serotonin into the neuronal synaptic cleft. A selective serotonin releasing agent (SSRA) is an SRA with less significant or no efficacy in producing neurotransmitter efflux at other types of monoamine neurons.
A serotonin–dopamine releasing agent (SDRA) is a type of drug which induces the release of serotonin and dopamine in the body and/or brain.
4-Methyl-α-ethyltryptamine (4-Me-αET) is a putative stimulant, psychedelic, and entactogen drug of the tryptamine class. It is a designer drug and is sold online as a "research chemical".
7,N,N-trimethyltryptamine (7-methyl-DMT, 7-TMT), is a tryptamine derivative which acts as an agonist of 5-HT2 receptors. In animal tests, both 7-TMT and its 5-methoxy derivative 5-MeO-7-TMT produced behavioural responses similar to those of psychedelic drugs such as DMT, but the larger 7-ethyl and 7-bromo derivatives of DMT did not produce psychedelic responses despite having higher 5-HT2 receptor affinity in vitro (cf. DOBU, DOAM). 7-TMT also weakly inhibits reuptake of serotonin but with little effect on dopamine or noradrenaline reuptake.
7-Methyl-α-ethyltryptamine (7-Me-αET) is a tryptamine derivative related to α-ethyltryptamine (αET). It was discovered by a team at Upjohn in the early 1960s. It has similar pharmacological effects to αET, but is both 3-4 times more potent as a serotonin releasing agent, and 10 times more potent as a monoamine oxidase inhibitor, making it potentially hazardous as this pharmacological profile is shared with drugs such as PMA and 4-MTA, which are known to be dangerous in humans when used at high doses.
Substituted tryptamines, or serotonin analogues, are organic compounds which may be thought of as being derived from tryptamine itself. The molecular structures of all tryptamines contain an indole ring, joined to an amino (NH2) group via an ethyl (−CH2–CH2−) sidechain. In substituted tryptamines, the indole ring, sidechain, and/or amino group are modified by substituting another group for one of the hydrogen (H) atoms.
6-Fluoro-α-methyltryptamine is a tryptamine derivative related to compounds such as alpha-methyltryptamine and 5-MeO-AMT, which has been sold as a designer drug. Animal tests showed it to be somewhat less active than AMT or 5-fluoro-AMT, but it was nevertheless allegedly manufactured and sold from the laboratory operated by Leonard Pickard and Gordon Todd Skinner, who described 6-fluoro-AMT as "a beast".
ST-1936 (2-methyl-5-chloro-N,N-dimethyltryptamine) is a tryptamine derivative which is used in scientific research. It acts as a selective 5-HT6 receptor agonist, with a Ki of 13 nM, and much weaker action at 5-HT2B and 5-HT7 subtypes. In animal studies it has been found to increase dopamine and noradrenaline mediated signalling but decreases glutamatergic transmission, and has antidepressant effects.
5-Chloro-α-methyltryptamine (5-Chloro-αMT), also known as PAL-542, is a tryptamine derivative related to α-methyltryptamine (αMT) and one of only a few known specific serotonin-dopamine releasing agents (SDRAs). It has been investigated in animals as a potential treatment for cocaine dependence. The EC50 values of 5-chloro-αMT in evoking the in vitro release of serotonin (5-HT), dopamine (DA), and norepinephrine (NE) in rat synaptosomes were reported as 16 nM, 54 nM, and 3434 nM, with an NE/DA ratio of 63.6 and a DA/5-HT ratio of 3.38, indicating that it is a highly specific and well-balanced SDRA. However, 5-chloro-αMT has also been found to act as a potent full agonist of the 5-HT2A receptor, with an EC50 value of 6.27 nM and an efficacy of 105%, and almost assuredly acts as a potent agonist of other serotonin receptors as well.
5-MeO-MET (5-Methoxy-N-methyl-N-ethyltryptamine) is a relatively rare designer drug from the substituted tryptamine family, related to compounds such as N-methyl-N-ethyltryptamine and 5-MeO-DMT. It was first synthesised in the 1960s and was studied to a limited extent, but was first identified on the illicit market in June 2012 in Sweden. It was made illegal in Norway in 2013, and is controlled under analogue provisions in numerous other jurisdictions.
7-Chloro-α-methyltryptamine (7-Cl-AMT) is a tryptamine derivative with stimulant effects, invented in the 1960s. It is a weak monoamine oxidase inhibitor but its pharmacology has not otherwise been studied by modern techniques, though several closely related compounds are known to act as serotonin–dopamine releasing agents and agonists of the 5-HT2A receptor.
5-Chloro-N,N-dimethyltryptamine (5-chloro-DMT) is a tryptamine derivative related to compounds such as 5-bromo-DMT and 5-fluoro-DMT. It acts as a serotonin receptor agonist and has primarily sedative effects in animal studies. It has been sold as a designer drug.
5-Fluoro-MET (5F-MET, 5-fluoro-N-methyl-N-ethyltryptamine) is a psychedelic tryptamine derivative related to drugs such as 5-Fluoro-DMT and N-Methyl-N-ethyltryptamine (MET). It acts as an agonist at the 5-HT2A receptor with an EC50 of 20.6 nM and produces a head-twitch response in animal studies. Ring fluorination in this case increases efficacy at 5-HT2A, with 5F-MET having an efficacy of 87.6% vs 5-HT, vs 36.2% for the partial agonist MET. It is claimed to have antidepressant activity.
5-Fluoro-EPT (5F-EPT, 5-fluoro-N-ethyl-N-propyltryptamine) is a psychedelic tryptamine derivative related to drugs such as EPT and 5-MeO-EPT. It acts as a potent full agonist at the 5-HT2A receptor with an EC50 of 5.54 nM and an efficacy of 104% (compared to serotonin). It produces a head-twitch response in animal studies, and is claimed to have antidepressant activity.
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