title: Microbiological hydroxylation of steroids. XI. Convenient routes to 3,7-, 3,11-, 3,12-, 7,11-, 7,17-, and 11,17-dioxygenated 5 alpha-androstanes and to 5 alpha-androstan-11-one.
mesh_terms: D000731:Androstanes / Q000096:biosynthesis*; D001230:Aspergillus / Q000378:metabolism*; D001431:Bacteriological Techniques; D001711:Biotransformation; D006900:Hydroxylation; D006914:Hydroxysteroids / Q000096:biosynthesis*; D008722:Methods; D010084:Oxidation-Reduction; D012233:Rhizopus / Q000378:metabolism*
chemical_list: D000731:Androstanes; D006914:Hydroxysteroids