Acetic acid 4-((3R,3aS,5aR,5bR,11aS,13bS)-5a,5b,8,8,11a,13b-hexamethyl-icosahydro-cyclopenta[a]chrysen-3-yl)-pentyl ester 在
间氯过氧苯甲酸 作用下,
以
氯仿 为溶剂,
反应 120.0h,
以10%的产率得到Acetic acid 4-((3S,3aR,5aR,5bR,11aS,13bR)-3-hydroxy-5a,5b,8,8,11a,13b-hexamethyl-icosahydro-cyclopenta[a]chrysen-3-yl)-pentyl ester