Acetic acid (3S,5S,9R,10S)-10,17,17-trimethyl-2,3,4,5,6,9,10,11,12,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 在
mercury(II) diacetate 、
溶剂黄146 作用下,
生成
Acetic acid (3S,5R,10S)-10,17,17-trimethyl-2,3,4,5,10,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-3-yl ester