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Mephedrone (4-methylmethcathinone) is a stimulant which is closely chemically related to amphetamines. Mephedrone produces a similar experience to drugs like amphetamines, ecstasy or cocaine.
Methylone (also known as “3,4-methylenedioxy-N-methylcathinone“, “MDMC“, “βk-MDMA” and by the slang term “M1“) is an empathogen and stimulant psychoactive drug. It is a member of the substituted amphetamine, substituted cathinone and substituted methylenedioxyphenethylamine classes.
Methylone is the substituted cathinone analog of MDMA and the 3,4-methylenedioxy analog of methcathinone. The only structural difference of methylone with respect to MDMA is the substitution of 2 hydrogen atoms by 1 oxygen atom in the β position of the phenethylamine core, forming a ketone group.
Methylone was first synthesized by the chemists Peyton Jacob III and Alexander Shulgin in 1996 for potential use as an antidepressant. Methylone has been sold for recreational use, taking advantage of the absence of legal prohibition of this compound in many countries
Methylone acts as a mixed reuptake inhibitor/releasing agent of serotonin, norepinephrine, and dopamine. In comparison to MDMA, it has approximately 3x lower affinity for the serotonin transporter, while its affinity for the norepinephrine and dopamine transporters is similar. Notably, methylone’s affinity for the vesicular monoamine transporter 2 (VMAT2) is about 13x lower than that of MDMA. The results of these differences in pharmacology relative to MDMA are that methylone is less potent in terms of dose, has more balanced catecholaminergic effects relative to serotonergic, and behaves more like a reuptake inhibitor like methylphenidate than a releaser like amphetamine; however, methylone has relatively robust releasing capabilities, perhaps due to its ability to phosphorylate the monoamine transporters being similar in potency relative to MDMA