Acetic acid (8R,9S,10R,13S,14S,17S)-17-acetoxy-10,13-dimethyl-8,9,10,11,12,13,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-yl ester 在
三氟甲基次氟酸酯 作用下,
以
氯仿 、
一氟三氯甲烷 为溶剂,
生成 Acetic acid (2S,8R,9S,10R,13S,14S,17S)-2-fluoro-10,13-dimethyl-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl ester