N-Benzyl-6a,7,10,10a-tetrahydro-8,9-dimethyl-6-oxo-6H-5-oxaphenanthren-6a-carboxamid 在
间氯过氧苯甲酸 作用下,
以
氯仿 为溶剂,
反应 24.0h,
以78%的产率得到(6aRS,7aRS,8aSR,9aRS)-N-benzyl-6a,7,7a,8a,9,9a-hexahydro-7a,8a-dimethyl-6-oxo-5,8-dioxacyclopropa[b]phenanthrene-6a(6H)-carboxamide