ethyl 1-cyclohexyl-4,5-dioxo-2-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylate 、
3-(p-toluidino)inden-1-one 以
间二甲苯 为溶剂,
反应 5.0h,
以28%的产率得到ethyl 1'-cyclohexyl-2,10,12-trioxo-5'-phenyl-5-(4-tolyl)-1',2',10,12-tetrahydro-5H-spiro{diindeno[1,2-b:2',1'-e]pyridine-11,3'-pyrrole}-4'-carboxylate