Acetic acid (3S,3aS,5aS,11aR,11bS)-8-acetoxy-3a,6-dimethyl-2,3,3a,4,5,5a,6,11,11a,11b-decahydro-1H-cyclopenta[a]anthracen-3-yl ester 在
氢氧化钾 作用下,
以
甲醇 、
乙醇 为溶剂,
生成 (3S,3aS,5aS,11aR,11bS)-3-Hydroxy-3a,6-dimethyl-1,2,3,3a,4,5,5a,6,9,10,10a,11,11a,11b-tetradecahydro-cyclopenta[a]anthracen-8-one