Bucinnazine

Bucinnazine
Clinical data
Other namesAP-237
Legal status
Legal status
Identifiers
IUPAC name
  • 1-[4-[(E)-3-Phenylprop-2-enyl]piperazin-1-yl]butan-1-one
CAS Number
PubChem CID
ChemSpider
UNII
Chemical and physical data
FormulaC17H24N2O
Molar mass272.392 g·mol−1
3D model (JSmol)
SMILES
  • CCCC(=O)N1CCN(CC1)C/C=C/C2=CC=CC=C2
InChI
  • InChI=1S/C17H24N2O/c1-2-7-17(20)19-14-12-18(13-15-19)11-6-10-16-8-4-3-5-9-16/h3-6,8-10H,2,7,11-15H2,1H3/b10-6+
  • Key:ZQBMUHABRSEAIK-UXBLZVDNSA-N

Bucinnazine (AP-237, 1-butyryl-4-cinnamylpiperazine) is an opioid analgesic drug that was widely used in China to treat pain in cancer patients as of 1986.[1] It is one of the most potent compounds among a series of piperazine-amides first synthesized and reported in Japan in the 1970s.[2][3][4] Bucinnazine has analgesic potency comparable to that of morphine but with a relatively higher therapeutic index.

The drug was initially claimed to be a non-narcotic analgesic. However, subsequent studies have shown bucinnazine and similar acyl piperazines to be potent and selective agonists of μ-opioid receptor (MOR) with relatively low affinity for the δ-opioid receptor and the κ-opioid receptor.[5] In accordance with these studies, results from the intravenous self-administration experiments in rats showed that bucinnazine has a marked reinforcing effect with tolerance and dependence quickly developing.[1] In addition, the morphine antagonist naloxone reverses the effect of bucinnazine and precipitates withdrawal symptoms in bucinnazine treated rats further indicating a mechanism of analgesia mediated via selective agonist activity at μ-opioid receptors.

Derivatives

2-methyl-AP-237 has been sold on the black market as a designer opioid, first identified by a police forensic laboratory in Slovenia in March 2019.[6]

2-Methyl-AP-237; CAS# 98608-59-4; PubChem 6447698

See also

References

  1. 1 2 Qing T, Zhi-Ji C, Wei-Ping W (1986). "Experimental Study on the Dependence-Producing Properties of Qiang Tong Ding (AP-237)". Chin. J. Clin. Pharmacol. (2).
  2. ↑ Nishimura, N.; Kiuchi, M.; Kanetake, Y.; Takahashi, T. (1970). "Clinical exaluation of a new analgesic agent Ap-237". Masui. The Japanese Journal of Anesthesiology. 19 (6): 653–6. PMID 4916908.
  3. ↑ Carrano, R. A.; Kimura, K. K.; McCurdy, D. H. (1975). "Analgesic and tolerance studies with AP-237, a new analgesic". Archives Internationales de Pharmacodynamie et de Therapie. 213 (1): 41–57. PMID 1156018.
  4. ↑ Carrano, R. A.; Kimura, K. K.; Landes, R. C.; McCurdy, D. H. (1975). "General pharmacology of a new analgesic-AP-237". Archives Internationales de Pharmacodynamie et de Therapie. 213 (1): 28–40. PMID 1156016.
  5. ↑ Barlocco, D.; Cignarella, G.; Greco, G.; Novellino, E. (1993). "Computer-aided structure-affinity relationships in a set of piperazine and 3,8-diazabicyclo3.2.1octane derivatives binding to the mu-opioid receptor". Journal of Computer-Aided Molecular Design. 7 (5): 557–71. Bibcode:1993JCAMD...7..557B. doi:10.1007/bf00124362. PMID 8294946. S2CID 23360530.
  6. ↑ Analytical Report 2-Methyl-AP-237. 19 March 2019
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