(3aS,5aS,5bR,9aS,11aR,12aS,12bS)-3a,5b-Dimethyl-11-methylene-hexadecahydro-cyclobuta[k]cyclopenta[a]phenanthren-12-one 在
mercury(II) perchlorate 作用下,
以
丙酮 为溶剂,
反应 0.5h,
以0.175 g的产率得到(5S,8S,9S,10R,13S,14S)-10,13-Dimethyl-5-(2-oxo-propyl)-hexadecahydro-cyclopenta[a]phenanthren-7-one