Intramolecular cyclization of 3-beta-acetoxy-16-picolinylidene-5-androsten-17-one by catalytic hydrogenation.
D000731:Androstanes; D002384:Catalysis; D055598:Chemical Phenomena; D002621:Chemistry; D006859:Hydrogen; D010848:Picolinic Acids; D013237:Stereoisomerism
D000731:Androstanes; D010848:Picolinic Acids; D006859:Hydrogen