title: Microbiological hydroxylation of steroids. X. 1 beta, 11 alpha-dihydroxylation of 3 beta-hydroxy-5 alpha-prepnan-20-one and the hydroxylation of other 20-oxo-5 alpha-pregnanes with the fungus Aspergillys ochraceus.
mesh_terms: D001230:Aspergillus / Q000378:metabolism*; D006900:Hydroxylation; D006914:Hydroxysteroids / Q000378:metabolism; D007664:Ketosteroids / Q000378:metabolism; D008722:Methods; D011278:Pregnanes / Q000378:metabolism*
chemical_list: D006914:Hydroxysteroids; D007664:Ketosteroids; D011278:Pregnanes