(5R,6R,8R,9S,10R,13S,14S)-4,4,13-Trimethyl-6-nitrosooxy-hexadecahydro-cyclopenta[a]phenanthren-3-one 以
苯 为溶剂,
生成 (3aS,3bR,5R,5aR,10aR,10bS,12aS)-5-Hydroxy-6,12a-dimethyl-2,3,3a,3b,4,5,5a,9,10,10a,10b,11,12,12a-tetradecahydro-1H-cyclohepta[a]cyclopenta[f]naphthalen-8-one