Acetic acid (5R,7R,8R,9R,10R,13R,14R,17S)-17-acetoxy-4,4,13-trimethyl-3-oxo-tetradecahydro-20-oxa-cyclopropa[7,8]cyclopenta[a]phenanthren-10-ylmethyl ester 在
盐酸 作用下,
以
氯仿 为溶剂,
生成 Acetic acid (5R,7R,10R,13R,14R,17S)-17-acetoxy-7-hydroxy-4,4,13-trimethyl-3-oxo-1,2,3,4,5,6,7,11,12,13,14,15,16,17-tetradecahydro-cyclopenta[a]phenanthren-10-ylmethyl ester