(6S,8S,10R,13S,14S,16R,17S)-6-Fluoro-10,13,16,17-tetramethyl-17-propionyl-6,7,8,10,12,13,14,15,16,17-decahydro-cyclopenta[a]phenanthren-3-one 在
吡啶 、
氯 作用下,
以
氯仿 为溶剂,
生成 (6S,8S,9R,10S,11S,13S,14S,16R,17S)-9,11-Dichloro-6-fluoro-10,13,16,17-tetramethyl-17-propionyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-cyclopenta[a]phenanthren-3-one