dimethyl (1s,1'R,4'S,5'R,8'S)-3-(propan-2-ylidene)-1',2',3',4',5',8'-hexahydrospiro[cyclopentane-1,9'-[1,4:5,8]dimethanonaphthalene]-6',7'-dicarboxylate 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
以34%的产率得到dimethyl (1r,1'R,4'S,4a'S,5'S,8'R,8a'R)-3-(propan-2-ylidene)-1',2',3',4',5',8'-hexahydrospiro[cyclopentane-1,10'-[4a,8a]epoxy[1,4:5,8]dimethanonaphthalene]-6',7'-dicarboxylate