(1R,2S,3R,8S,9S,10R,13R,14S)-17-(1,5-Dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-20-oxa-cyclopropa[1,2]cyclopenta[a]phenanthren-3-ol 在
potassium hydrogen bifluoride 作用下,
以
乙二醇 为溶剂,
反应 1.5h,
生成
Acetic acid (1R,2R,3R,9S,10R,13R,14R)-3-acetoxy-17-(1,5-dimethyl-hexyl)-2-fluoro-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-1-yl ester