DiFMDA

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DiFMDA
DFMDA.svg
Systematic (IUPAC) name
1-(2,2-difluorobenzo[d][1,3]dioxol-5-yl)propan-2-amine
Clinical data
Legal status ?
Identifiers
CAS number 910393-51-0 N
ATC code None
ChemSpider 26495356
Chemical data
Formula C10H11F2NO2 
Mol. mass 215.076 g/mol
 N (what is this?)  (verify)

Difluoromethylenedioxyamphetamine (DiFMDA) is a substituted derivative of 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]

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.[3] However there is known to be a lack of bulk tolerance at this position of the molecule, shown by the generally reduced activity of the ethylidenedioxy and isopropylidenedioxy analogues.[4][5] 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,[6][7][8] making it unclear how much less neurotoxic DFMDA and related drugs would be in practice.

See also[edit]

References[edit]

  1. ^ 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. doi:10.1002/cbdv.200690035. PMID 17193269. 
  2. ^ 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. 
  3. ^ 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. 
  4. ^ Nichols DE, Kostuba LJ (October 1979). "Steric effects of substituents on phenethylamine hallucinogens. 3,4-(Methylenedioxy)amphetamine analogues alkylated on the dioxole ring". Journal of Medicinal Chemistry 22 (10): 1264–7. doi:10.1021/jm00196a022. PMID 513074. 
  5. ^ Nichols DE, Oberlender R, Burris K, Hoffman AJ, Johnson MP (November 1989). "Studies of dioxole ring substituted 3,4-methylenedioxyamphetamine (MDA) analogues". Pharmacology, Biochemistry, and Behavior 34 (3): 571–6. doi:10.1016/0091-3057(89)90560-1. PMID 2623014. 
  6. ^ 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. doi:10.1007/s12035-009-8064-1. PMID 19373443. 
  7. ^ Sarkar S, Schmued L (August 2010). "Neurotoxicity of ecstasy (MDMA): an overview". Current Pharmaceutical Biotechnology 11 (5): 460–9. PMID 20420572. 
  8. ^ 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.