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Clinical data
ATC code
  • none
PubChem CID
Chemical and physical data
Molar mass193.242 g/mol g·mol−1
3D model (JSmol)

3,4-Ethylidenedioxyamphetamine (EIDA) is a substituted derivative of 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 isopropylidinedioxy derivative (IPIDA, IDA) did not substitute for MDA and instead had sedative and convulsant effects. This shows limited bulk tolerance at this position and (as with 2C-G-5) makes it likely the activity of EIDA will reside primarily in one enantiomer, although only the racemic mix has been studied as yet.[1][2][3]

Isopropylidenedioxyamphetamine (IDA)

See also


  1. ^ 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.CS1 maint: uses authors parameter (link)
  2. ^ 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.CS1 maint: uses authors parameter (link)
  3. ^ 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.CS1 maint: uses authors parameter (link)