Acetic acid (3R,5R,6S,8R,9S,10R,13S,14S,16S,17S)-3-acetoxy-17-acetyl-10,13-dimethyl-hexadecahydro-cyclopropa[16,17]cyclopenta[a]phenanthren-6-yl ester 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
生成
1-((3R,5R,6S,8R,9S,10R,13S,14S,16S,17S)-3,6-Dihydroxy-10,13-dimethyl-hexadecahydro-cyclopropa[16,17]cyclopenta[a]phenanthren-17-yl)-ethanone