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Formula | C10H11F2NO2 |
Molar mass | 215.200 g·mol−1 |
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Difluoromethylenedioxyamphetamine (DFMDA, DiFMDA) is a substituted derivative of 3,4-methylenedioxyamphetamine (MDA), which was developed by Daniel Trachsel and coworkers, along with the corresponding fluorinated derivatives of MDMA, MDEA, BDB and MBDB, with the aim of finding a non-neurotoxic drug able to be used as a less harmful substitute for entactogenic drugs such as MDMA. Since a major route of the normal metabolism of these compounds is scission of the methylenedioxy ring, producing neurotoxic metabolites such as alpha-methyldopamine, it was hoped that the difluoromethylenedioxy bioisostere would show increased metabolic stability and less toxicity. [1] [2] [3]
These compounds have not yet been tested in animals to verify whether they show similar pharmacological activity to the non-fluorinated parent compounds, although in vitro binding studies show DFMDA to have a SERT affinity in between that of MDA and MDMA. [4] It is also now generally accepted that MDMA neurotoxicity results from a variety of different causes and is not solely due to accumulation of alpha-methyldopamine, [5] [6] [7] making it unclear how much less neurotoxic DFMDA and related drugs would be in practice.
3,4-Methyl
3,4-Methylenedioxyamphetamine is an empathogen-entactogen, psychostimulant, and psychedelic drug of the amphetamine family that is encountered mainly as a recreational drug. In its pharmacology, MDA is a serotonin–norepinephrine–dopamine releasing agent (SNDRA). In most countries, the drug is a controlled substance and its possession and sale are illegal.
para-Methoxyamphetamine (PMA), also known as 4-methoxyamphetamine (4-MA), is a designer drug of the amphetamine class with serotonergic effects. Unlike other similar drugs of this family, PMA does not produce stimulant, euphoriant, or entactogen effects, and behaves more like an antidepressant in comparison, though it does have some psychedelic properties.
The substituted methylenedioxyphenethylamines represent a diverse chemical class of compounds derived from phenethylamines. This category encompasses numerous psychoactive substances with entactogenic, psychedelic, and/or stimulant properties, in addition to entheogens. These compounds find application as research chemicals, designer drugs, and recreational substances.
3,4-Ethylenedioxy-N-methylamphetamine (EDMA) is an entactogen drug of the methamphetamine class. It is an analogue of MDMA where the methylenedioxy ring has been replaced by an ethylenedioxy ring. EDMA was first synthesized by Alexander Shulgin. In his book PiHKAL, the dosage is listed as 150–250 mg, and the duration listed as 3–5 hours. According to Shulgin, EDMA produces a bare threshold consisting of paresthesia, nystagmus, and hypnogogic imagery, with few to no other effects. Scientific research has demonstrated that EDMA acts as a non-neurotoxic serotonin releasing agent with moderately diminished potency relative to MDMA, and with negligible effects on dopamine release.
1,3-Benzodioxolylbutanamine is an entactogenic drug of the phenethylamine chemical class. It is the α-ethyl analog of MDPEA and MDA and the methylenedioxy analogue of α-ethylphenethylamine.
1-(3,4-Methylenedioxybenzyl)piperazine is a chemical compound of the piperazine chemical class related to benzylpiperazine (BZP). MDBZP has been sold as a designer drug and has even been found as an ingredient in street Ecstasy pills.
3,4-Methylenedioxy-N,N-dimethylamphetamine (MDDM) is a lesser-known research chemical. It is also the N,N-dimethyl analog of 3,4-methylenedioxyamphetamine (MDA). MDDM was first synthesized by Alexander Shulgin. In his book PiHKAL , the dosage is unspecified and the duration unknown. MDDM produces only mild effects that are not well characterized in PiHKAL. Very little data exists about the pharmacological properties, metabolism, and toxicity of MDDM. This compound is however occasionally encountered as an impurity in 3,4-methylenedioxy-N-methylamphetamine (MDMA) which has been synthesized by methylation of MDA using methylating reagents such as methyl iodide. An excess of reagent or a reaction temperature that is too high results in some double methylation of the amine nitrogen, yielding MDDM as well as MDMA. The presence of MDDM as an impurity can thus reveal which synthetic route was used to manufacture seized samples of MDMA.
5-Methyl-3,4-methylenedioxyamphetamine (5-Methyl-MDA) is an entactogen and psychedelic designer drug of the amphetamine class. It is a ring-methylated homologue of MDA and a structural isomer of MDMA.
5-(2-Aminopropyl)-2,3-dihydrobenzofuran is a putative entactogen drug of the phenethylamine and amphetamine classes. It is an analogue of MDA where the heterocyclic 3-position oxygen from the 3,4-methylenedioxy ring has been replaced by a methylene bridge. 6-APDB is an analogue of 5-APDB where the 4-position oxygen has been replaced by a methylene bridge instead. 5-APDB was developed by a team led by David E. Nichols at Purdue University as part of their research into non-neurotoxic analogues of MDMA.
4'-Methoxy-α-pyrrolidinopropiophenone (MOPPP) is a stimulant designer drug of the pyrrolidinophenone class. It has the potential to produce euphoria, an effect shared with other classical stimulants.
MDAI (5,6-methylenedioxy-2-aminoindane) is a drug developed in the 1990s by a team led by David E. Nichols at Purdue University. It acts as a non-neurotoxic and highly selective serotonin releasing agent (SSRA) in vitro and produces entactogen effects in humans.
3,4-Methylenedioxy-N-ethylamphetamine is an empathogenic psychoactive drug. MDEA is a substituted amphetamine and a substituted methylenedioxyphenethylamine. MDEA acts as a serotonin, norepinephrine, and dopamine releasing agent and reuptake inhibitor.
α-Methyldopamine (α-Me-DA), also known as 3,4-dihydroxyamphetamine, is a research chemical of the catecholamine and amphetamine chemical classes. Its bis-glutathionyl metabolite is slightly neurotoxic when directly injected into the brain's ventricles.
6-(2-Aminopropyl)-2,3-dihydrobenzofuran is a stimulant and entactogen drug of the phenethylamine and amphetamine classes. It is an analogue of MDA where the heterocyclic 4-position oxygen from the 3,4-methylenedioxy ring has been replaced with a methylene bridge. 5-APDB (3-Desoxy-MDA) is an analogue of 6-APDB where the 3-position oxygen has been replaced with a methylene instead. 6-APDB, along with 5-APDB, was first synthesized by David E. Nichols in the early 1990s while investigating non-neurotoxic MDMA analogues.
MDMAT (6,7-methylenedioxy-N-methyl-2-aminotetralin) is a putative, non-neurotoxic, selective serotonin releasing agent (SSRA) and entactogen drug. It is the N-methylated derivative of MDAT, similarly to the relationship of MDMA to MDA or MDMAI to MDAI.
6-Methyl-3,4-methylenedioxyamphetamine (6-Methyl-MDA) is an entactogen and psychedelic drug of the amphetamine class. It was first synthesized in the late 1990s by a team including David E. Nichols at Purdue University while investigating derivatives of 3,4-methylenedioxyamphetamine (MDA) and 3,4-methylenedioxy-N-methylamphetamine (MDMA).
4-Chlorophenylisobutylamine, also known as 4-chloro-α-ethylphenethylamine, is an entactogen and stimulant drug of the phenethylamine class. It is an analogue of para-chloroamphetamine (PCA) where the alpha position methyl has been replaced with an ethyl group.
3,4-Ethylidenedioxyamphetamine (EIDA) is a substituted derivative of 3,4-methylenedioxyamphetamine (MDA), which was developed by David Nichols and coworkers, in the course of research to determine the bulk tolerance around the benzodioxole portion of the MDA molecule. EIDA was found to produce similar effects to MDA in animals but with less than half the potency, while the isopropylidenedioxy derivative did not substitute for MDA and instead had sedative and convulsant effects. This shows limited bulk tolerance at this position and makes it likely the activity of EIDA will reside primarily in one enantiomer, although only the racemic mix has been studied as yet.
5-MAPB is an entactogenic designer drug similar to MDMA in its structure and effects.