Acetic acid (3S,5S,6R,8S,9S,10R,13S,14S,17S)-3-fluoro-10,13-dimethyl-hexadecahydro-20-oxa-cyclopropa[5,6]cyclopenta[a]phenanthren-17-yl ester 在
氢溴酸 作用下,
以
丙酮 为溶剂,
生成 Acetic acid (3S,5R,6R,8S,9S,10R,13S,14S,17S)-5-bromo-3-fluoro-6-hydroxy-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl ester