N-苯基马来酰亚胺 、
N-carbomethoxy-4-(2-[(tert-butyldimethylsilyl)oxy]ethyl)-5-hydroxy-6,7-dihydro-3H-cyclobuta[e]indole 以
对二甲苯 为溶剂,
反应 40.0h,
以44%的产率得到methyl 4-(2-[(tert-butyldimethylsilyl)oxy]ethyl)-5-hydroxy-7,9-dioxo-8-phenyl-6a,7,8,9,9a,10-hexahydroisoindolo[5,6-e]indole-3(6H)-carboxylate