((3aS,5aS,6S,7R,9aR,9bS)-7-Butyl-3a,6-dimethyl-3-oxo-dodecahydro-cyclopenta[a]naphthalen-6-yl)-acetic acid methyl ester 在
氢氧化钾 作用下,
以
甲醇 为溶剂,
生成 ((3aS,5aS,6S,7R,9aR,9bS)-7-Butyl-3a,6-dimethyl-3-oxo-dodecahydro-cyclopenta[a]naphthalen-6-yl)-acetic acid