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Systematic (IUPAC) name
ethyl 4-(4-fluorophenyl)-1-methylpiperidine-4-carboxylate
ATC code None
PubChem CID: 11184669
ChemSpider 9359754 YesY
Synonyms 4-Fluoromeperidine, 4-Fluoropethidine
Chemical data
Formula C15H20FNO2
Molecular mass 265.322 g/mol
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4-Fluoropethidine is a drug that is a derivative of pethidine (meperidine), which combines pethidine's opioid analgesic effects with increased monoamine reuptake inhibition. It is around 50% less potent than pethidine as an opioid analgesic, but conversely is 50% more potent as a dopamine reuptake inhibitor, with other derivatives such as the 4-iodo and 3,4-dichloro analogues being even more potent dopamine reuptake inhibitors again. However none of these compounds substitute for cocaine or produce stimulant effects in animals, suggesting that they still act primarily as opioid analgesic drugs in practice.[1]

See also[edit]


  1. ^ Lomenzo SA, Rhoden JB, Izenwasser S, Wade D, Kopajtic T, Katz JL, Trudell ML (March 2005). "Synthesis and biological evaluation of meperidine analogues at monoamine transporters". Journal of Medicinal Chemistry 48 (5): 1336–43. doi:10.1021/jm0401614. PMID 15743177.