Zenazocine

Zenazocine (INN; WIN-42,964) is an opioid analgesic of the benzomorphan family which made it to phase II clinical trials before development was ultimately halted and it was never marketed.[1][2] It acts as a partial agonist of the μ- and δ-opioid receptors, with less intrinsic activity at the former receptor and more at the latter receptor (hence, it behaves more antagonistically at the former and more agonistically at the latter), and produces antinociceptive effects in animal studies.[1]

Zenazocine
Clinical data
ATC code
  • None
Legal status
Legal status
  • In general: non-regulated
Identifiers
IUPAC name
  • 1-[(1S,9R)-4-hydroxy-1,10,13-trimethyl-10-azatricyclo[7.3.1.02,7]trideca-2,4,6-trien-13-yl]-6-methyl-3-heptanone
CAS Number
PubChem CID
ChemSpider
UNII
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC23H35NO2
Molar mass357.538 g·mol−1
3D model (JSmol)
SMILES
  • O=C(CCC(C)C)CCC3([C@@H]2N(CC[C@]3(c1c(ccc(O)c1)C2)C)C)C
InChI
  • InChI=1S/C23H35NO2/c1-16(2)6-8-18(25)10-11-23(4)21-14-17-7-9-19(26)15-20(17)22(23,3)12-13-24(21)5/h7,9,15-16,21,26H,6,8,10-14H2,1-5H3/t21-,22+,23?/m1/s1
  • Key:JZFZEWWOIOYBTQ-AXWGZAFASA-N

See also

References
  1. Ward SJ, Pierson AK, Michne WF (February 1985). "Pharmacological profiles of tonazocine (Win 42156) and zenazocine (Win 42964)". Neuropeptides. 5 (4–6): 375–8. doi:10.1016/0143-4179(85)90032-0. PMID 2860595. S2CID 20674308.
  2. Cotton R, James R (1985). "Chapter 3. Analgesics, Opioids and Opioid Receptors". In Bailey DM (ed.). Annual Reports in Medicinal Chemistry. Vol. 20. Academic Press. pp. 21–30. doi:10.1016/S0065-7743(08)61029-5. ISBN 978-0-12-040520-6.
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