Allylnorpethidine

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Allylnorpethidine
WIN-7681.svg
Clinical data
SynonymsAllylnorpethidine, WIN-7681
Identifiers
CAS Number
PubChem CID
E number{{#property:P628}}
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Chemical and physical data
FormulaC17H23NO2
Molar mass273.37 g/mol

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]


Overview

Allylnorpethidine (WIN-7681) is a 4-phenylpiperidine derivative that is related to the opioid analgesic drug pethidine (meperidine).

Allylnorpethidine is an analogue of pethidine where the N-methyl group has been replaced by allyl. In many other opioid derivatives, placing an allyl substituent on the nitrogen instead of a methyl will reverse the normal opioid effects, to produce μ-opioid antagonists which among other things reverse the respiratory depression caused by opioid agonists such as morphine. This is not true with allylnorpethidine, as while it does partially reverse the respiratory depression produced by morphine[1] it is actually an active analgesic and has no antagonistic properties[2][3] when administered alone, so is instead a partial agonist.

References

  1. Costa PJ, Bonnycastle DD. The Effect of Levallorphan Tartrate, Nalorphine HCl, and WIN 7681 (1-allyl-4-phenyl-4-carboethoxypiperidine) on Respiratory Depression and Analgesia Induced by some active Analgetics. Journal of Pharmacology and Experimental Therapeutics. 1955; 113(3):310-318.
  2. Casy AF, Parfitt RT (1986). Opioid Analgesics: Chemistry and Receptors. pp. pp239. ISBN 0-306-42130-5.
  3. Stenlake JB (1979). Foundations of Molecular Pharmacology. pp. pp152. ISBN 0-485-11171-3.(online version)




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