DFMDA
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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.
References
[edit]- ^ Trachsel D, Hadorn M, Baumberger F (March 2006). "Synthesis of fluoro analogues of 3,4-(methylenedioxy)amphetamine (MDA) and its derivatives". Chemistry & Biodiversity. 3 (3): 326–36. CiteSeerX 10.1.1.688.5803. doi:10.1002/cbdv.200690035. PMID 17193269. S2CID 23036634.
- ^ Meanwell NA (March 2011). "Synopsis of Some Recent Tactical Application of Bioisosteres in Drug Design". Journal of Medicinal Chemistry. 54 (8): 2529–91. doi:10.1021/jm1013693. PMID 21413808.
- ^ Takač MJ, Magina JD, Takač T (December 2019). "Evaluation of phenylethylamine type entactogens and their metabolites relevant to ecotoxicology - a QSAR study". Acta Pharmaceutica. 69 (4). Zagreb, Croatia: 563–584. doi:10.2478/acph-2019-0038. PMID 31639096. S2CID 204850967.
- ^ Walline CC, Nichols DE, Carroll FI, Barker EL (June 2008). "Comparative molecular field analysis using selectivity fields reveals residues in the third transmembrane helix of the serotonin transporter associated with substrate and antagonist recognition". The Journal of Pharmacology and Experimental Therapeutics. 325 (3): 791–800. doi:10.1124/jpet.108.136200. PMC 2637348. PMID 18354055.
- ^ Capela JP, Carmo H, Remião F, Bastos ML, Meisel A, Carvalho F (June 2009). "Molecular and cellular mechanisms of ecstasy-induced neurotoxicity: an overview". Molecular Neurobiology. 39 (3): 210–71. CiteSeerX 10.1.1.670.6897. doi:10.1007/s12035-009-8064-1. PMID 19373443. S2CID 21190104.
- ^ Sarkar S, Schmued L (August 2010). "Neurotoxicity of ecstasy (MDMA): an overview". Current Pharmaceutical Biotechnology. 11 (5): 460–9. doi:10.2174/138920110791591490. PMID 20420572.
- ^ Escubedo E, Abad S, Torres I, Camarasa J, Pubill D (January 2011). "Comparative neurochemical profile of 3,4-methylenedioxymethamphetamine and its metabolite alpha-methyldopamine on key targets of MDMA neurotoxicity". Neurochemistry International. 58 (1): 92–101. doi:10.1016/j.neuint.2010.11.001. PMID 21074589. S2CID 2853533.