Acetic acid (3S,5S,8S,9S,10S,13S,14S,17R)-17-(1-chlorocarbonyl-ethyl)-10,13-dimethyl-11-oxo-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester 在
antimony triphenylsulphide 作用下,
以
吡啶 、
二氯甲烷 、
氯苯 为溶剂,
反应 13.0h,
生成 Acetic acid (3S,5R,8S,9S,10S,13S,14S,17S)-17-(1-hydroxy-ethyl)-10,13-dimethyl-11-oxo-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester