dichlorovinylene carbonate 、 5,6,13,14-tetramethoxy-1,2,9,10-tetraphenylpentacyclo[8.6.1.12,9.03,8.011,16]octadeca-3,5,7,11,13,15-hexaene-17,18-dione 以
苯 为溶剂,
反应 3.0h,
以75.4%的产率得到9,13-dichloro-4,5-dimethoxy-1,8-diphenyl-10,12-dioxatetracyclo[6.5.1.02,7.09,13]tetradeca-2,4,6-triene-11,14-dione