Delta-1-tetrahydrocannabinol: structure of a major metabolite.

triangle up(1)-Tetrahydrocannabinol, the major psychotomimetically active compound of Cannabis, was metabolized in vitro by the 10, OOOg supernatant from rabbit liver. By mass and nuclear magnetic resonance spectrometry, the major metabolite was identified as 7-hydroxy-triangle up(1)-tetrahydrocannabinol. The latter compound of Cannabis, was metabolized in vitro by the 10,OOOg supernatant from