3-((3S,3aS,5aS,6R,7S,8R,9aR,9bS)-8-Acetoxy-3-tert-butoxy-7-butyl-3a,6-dimethyl-dodecahydro-cyclopenta[a]naphthalen-6-yl)-propionic acid methyl ester 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
生成
3-((3S,3aS,5aS,6R,7S,8R,9aR,9bS)-8-Acetoxy-7-butyl-3-hydroxy-3a,6-dimethyl-dodecahydro-cyclopenta[a]naphthalen-6-yl)-propionic acid methyl ester