(4R,5R,8S,9S,10R,13S,14S,17S)-4-(4-Methoxy-benzyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-5,17-diol 在
jones reagent 作用下,
以
丙酮 为溶剂,
以76%的产率得到(4R,5R,8R,9S,10R,13S,14S)-5-Hydroxy-4-(4-methoxy-benzyl)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-one