Journal of Pharmacobio-Dynamics
Online ISSN : 1881-1353
Print ISSN : 0386-846X
ISSN-L : 0386-846X
9α, 10α-EPOXYHEXAHYDROCANNABINOL FORMATION FROM Δ9-TETRAHYDROCANNABINOL BY LIVER MICROSOMES OF PHENOBARBITAL-TREATED MICE AND ITS PHARMACOLOGICAL ACTIVITIES IN MICE
SHIZUO NARIMATSUIKUO YAMAMOTOKAZUHITO WATANABEHIDETOSHI YOSHIMURA
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1983 Volume 6 Issue 8 Pages 558-564

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Abstract
9α, 10α-Epoxyhexahydrocannabinol (9α, 10α-EHHC) was found to be formed from Δ9-tetrahydrocannabinol (Δ9-THC) by liver microsomes of mice pretreated with phenobarbital. Further, pharmacological effects of 9α, 10α-EHHC in mice were compared with those of Δ9-THC using catalepsy, hypothermia, pentobarbital-induced sleep prolongation and anticonvulsant activity against pentylenetetrazol as indices. 9α, 10α-EHHC was approximately equipotent with Δ9-THC in the pharmacological indices except for catalepsy. The cataleptogenic effect of the epoxide was about 4 times as potent as the parent compound. From these results, it is suggested that 9α, 10α-EHHC can contribute to the pharmacological effects of Δ9-THC as an active metabolite.
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© The Pharmaceutical Society of Japan
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