title: Intramolecular catalysis. VI. Selectivity in 7 ,12 -dihydroxy steroids and enhancement of 12 -hydroxyl reactivity by substituents at carbon 3.
mesh_terms: D000107:Acetylation; D002384:Catalysis; D002757:Cholanes / Q000138:chemical synthesis*; D006900:Hydroxylation; D006914:Hydroxysteroids / Q000138:chemical synthesis; D008722:Methods; D008970:Molecular Weight; D013261:Sterols / Q000138:chemical synthesis*; D013329:Structure-Activity Relationship
chemical_list: D002757:Cholanes; D006914:Hydroxysteroids; D013261:Sterols