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para-Iodoamphetamine

From Wikipedia, the free encyclopedia
Chemical compound
Pharmaceutical compound
para-Iodoamphetamine
Clinical data
Drug classSerotonin releasing agent;Serotonergic neurotoxin
Identifiers
  • 1-(4-iodophenyl)propan-2-amine
CAS Number
PubChemCID
ChemSpider
UNII
CompTox Dashboard(EPA)
Chemical and physical data
FormulaC9H12IN
Molar mass261.106 g·mol−1
3D model (JSmol)
  • CC(CC1=CC=C(C=C1)I)N
  • InChI=1S/C9H12IN/c1-7(11)6-8-2-4-9(10)5-3-8/h2-5,7H,6,11H2,1H3
  • Key:VZPKOWYCGWOYRF-UHFFFAOYSA-N
  (verify)

para-Iodoamphetamine (PIA), also known as4-iodoamphetamine (4-IA), is amonoamine releasing agent (MRA) andserotonergic neurotoxin of theamphetamine family related topara-chloroamphetamine (PCA).[1]

Pharmacology

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Pharmacodynamics

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PIA acts as aserotonin releasing agent (SRA).[2] In animaldrug discrimination tests, PIA fully substitutes forMDMA and(+)-MBDB.[1]

It also has very lowaffinity for certainserotonin receptors, including theserotonin5-HT1 receptor (Ki = 7,660 nM) and the serotonin5-HT2 receptor (Ki = 43,000 nM).[3]

PIA has been described as having either similar serotonergic neurotoxicity as PCA[1] or as having much weaker serotonergic neurotoxicity than PCA.[2][4]

Chemistry

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PIA, also known as 4-iodoamphetamine, is aphenethylamine andamphetaminederivative and apara-halogenated amphetamine.

Analogues

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PIA is closely related to otherpara-halogenatedamphetamines such as PCA,para-bromoamphetamine (PBA), andpara-fluoroamphetamine (PFA).

Iofetamine, also known asN-isopropyl-(123I)-para-iodoamphetamine, is aderivative of PIA used as aradiopharmaceutical anddiagnostic agent.[5]

5-Iodo-2-aminoindane (5-IAI), the2-aminoindaneanalogue of PIA, was an attempt to make a non-neurotoxic analogue of PIA that proved to be less neurotoxic.[1]

References

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  1. ^abcdNichols DE, Marona-Lewicka D, Huang X, Johnson MP (1993)."Novel serotonergic agents".Drug des Discov.9 (3–4):299–312.PMID 8400010.
  2. ^abMarona-Lewicka D, Rhee GS, Sprague JE, Nichols DE (December 1995). "Psychostimulant-like effects of p-fluoroamphetamine in the rat".European Journal of Pharmacology.287 (2):105–113.doi:10.1016/0014-2999(95)00478-5.PMID 8749023.
  3. ^Glennon RA (January 1987). "Central serotonin receptors as targets for drug research".J Med Chem.30 (1):1–12.doi:10.1021/jm00384a001.PMID 3543362.Table II. Affinities of Selected Phenalkylamines for 5-HT1 and 5-HT2 Binding Sites
  4. ^Nichols DE, Johnson MP, Oberlender R (January 1991). "5-Iodo-2-aminoindan, a nonneurotoxic analogue of p-iodoamphetamine".Pharmacology, Biochemistry, and Behavior.38 (1):135–139.CiteSeerX 10.1.1.670.504.doi:10.1016/0091-3057(91)90601-W.PMID 1826785.S2CID 20485505.
  5. ^Druckenbrod RW, Williams CC, Gelfand MJ (January 1989). "Iofetamine hydrochloride I 123: a new radiopharmaceutical for cerebral perfusion imaging".DICP.23 (1):19–24.doi:10.1177/106002808902300103.PMID 2655294.
DRAsTooltip Dopamine releasing agents
NRAsTooltip Norepinephrine releasing agents
SRAsTooltip Serotonin releasing agents
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