Acid-catalyzed cyclization of 21-benzylidene-l6-dehydropregnenolone acetate.
D000085:Acetates; D001555:Benzene Derivatives; D002384:Catalysis; D002625:Chemistry, Organic; D006863:Hydrogen-Ion Concentration; D055601:Organic Chemistry Phenomena; D011284:Pregnenolone; D013057:Spectrum Analysis; D013237:Stereoisomerism
D000085:Acetates; D001555:Benzene Derivatives; D011284:Pregnenolone