Chemistry:Tonazocine

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Short description: Chemical compound
Tonazocine
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Clinical data
ATC code
  • None
Legal status
Legal status
  • In general: non-regulated
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC23H35NO2
Molar mass357.538 g·mol−1
3D model (JSmol)

Tonazocine (WIN-42,156) is an opioid analgesic of the benzomorphan family which made it to phase II clinical trials for the treatment of postoperative pain,[1] but development was apparently ceased and ultimately it was never marketed. Tonazocine is a partial agonist at both the mu-opioid and delta-opioid receptors, but acting more like an antagonist at the former and more like an agonist at the latter.[2][3] It lacks most of the side effects of other opioids such as adverse effects on the cardiovascular system and respiratory depression, but it can cause sedation (although to a lesser degree of typical opioids), and in some patients it may induce hallucinations (probably via binding to and activating the κ-opioid receptor).[4]

See also

References

  1. American Chemical Society. Division of Medicinal Chemistry (1990). Annual Reports in Medicinal Chemistry. Academic Press. p. 12. ISBN 978-0-12-040525-1. https://books.google.com/books?id=NZZbEkldeJAC&pg=PA12. Retrieved 30 November 2011. 
  2. "Pharmacological profiles of tonazocine (Win 42156) and zenazocine (Win 42964)". Neuropeptides 5 (4–6): 375–8. February 1985. doi:10.1016/0143-4179(85)90032-0. PMID 2860595. 
  3. "Antiparkinson potential of delta-opioid receptor agonists". European Journal of Pharmacology 396 (2–3): 101–7. May 2000. doi:10.1016/S0014-2999(00)00209-0. PMID 10822062. 
  4. Aronson, Jeffrey K. (30 November 2009). Meyler's Side Effects of Analgesics and Anti-inflammatory Drugs. Elsevier. p. 154. ISBN 978-0-444-53273-2. https://books.google.com/books?id=2WxotnWiiWkC&pg=PA154. Retrieved 30 November 2011.