(2Z,3aR,3a'R,6aS,6a'S)-8,8'-dimethyl-5,5'-dimethylene-5,5',6,6'-tetrahydro[2,2'-bi(3a,6a-(methanoiminomethano)pentalenylidene)]-7,7',9,9'(1H,1'H,3H,3'H,4H,4'H,8H,8'H)-tetraone 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
反应 6.0h,
以77%的产率得到(3aR,3a″R,6aS,6a″S)-8,8″-dimethyl-5,5″-dimethylene-5,5″,6,6″-tetrahydro-3a,6a;3a″,6a″-bi[(methanoiminomethano)pentalene]-2-spiro-2′-oxirane-3′-spiro-2″-pentalene-7,7″,9,9″(1H,1″H,3H,3″H,4H,4″H,8H,8″H)-tetraone