Acetic acid (3R,5R,8S,9S,10S,11R,13S,14S,17S)-17-cyano-11-dimethylamino-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-3-yl ester 在
potassium hydrogencarbonate 作用下,
以
甲醇 为溶剂,
生成 (3R,5R,8S,9S,10S,11R,13S,14S,17S)-11-Dimethylamino-3-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthrene-17-carbonitrile