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cis-(−)-metazocine

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cis-(−)-metazocine

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Metazocine is an opioid analgesic related to pentazocine. While metazocine has significant analgesic effects, mediated through a mixed agonist–antagonist action at the mu opioid receptor, its clinical use is limited by dysphoric and hallucinogenic effects which are most likely caused by activity at kappa opioid receptors (where it is a high-efficacy agonist) and/or sigma receptors.

Chemical data

Formula
C15H21NO
Molecular weight
231.33 g/mol
IUPAC name
(1R,9R,13R)-1,10,13-trimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol
SMILES
C[C@H]1[C@H]2CC3=C([C@@]1(CCN2C)C)C=C(C=C3)O
InChIKey
YGSVZRIZCHZUHB-COLVAYQJSA-N
XLogP
1.8
Polar surface area
23.5 Ų
H-bond donors
1
H-bond acceptors
2
Formal charge
0

via PubChem

Drug data · ChEMBL

Max clinical phase
Phase 2
Molecule type
Small molecule

via ChEMBL · EBI

Wikidata facts

Mass
231.162314292
Show 4 more facts
Commons category
Metazocine
isomeric SMILES
C[C@H]1[C@H]2CC3=C([C@@]1(CCN2C)C)C=C(C=C3)O
chemical formula
C₁₅H₂₁NO
canonical SMILES
CC1C2CC3=C(C1(CCN2C)C)C=C(C=C3)O
Sources (1)

via Wikidata · CC0

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Encyclopedic overview

3 sections
Contents
  • Syntheses
  • See also
  • References

Metazocine is an opioid analgesic related to pentazocine. While metazocine has significant analgesic effects, mediated through a mixed agonist–antagonist action at the mu opioid receptor, its clinical use is limited by dysphoric and hallucinogenic effects which are most likely caused by activity at kappa opioid receptors (where it is a high-efficacy agonist) and/or sigma receptors.

Metazocine is in Schedule II of the Controlled Substances Act 1970 of the United States as a Narcotic with ACSCN 9240 with a 19 gram aggregate manufacturing quota as of 2014. The free base conversion ratio for salts includes 0.81 for the hydrochloride and 0.74 for the hydrobromide. It is listed under the Single Convention for the Control of Narcotic Substances 1961 and is controlled in most countries in the same fashion as is morphine.

Excerpted from Wikipedia’s “cis-(−)-metazocine” article, available under the CC BY-SA 4.0 licence.

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