ethyl 1-cyclohexyl-4,5-dioxo-2-phenyl-4,5-dihydro-1H-pyrrole-3-carboxylate 、
5,5-dimethyl-3-(N-naphthylamino)-cyclohex-2-enone 以
间二甲苯 为溶剂,
以78%的产率得到ethyl 1'-cyclohexyl-10,10-dimethyl-2',8-dioxo-5'-phenyl-1',2',9,10,11,12-hexahydro-8H-spiro[benzo[c]acridine-7,3'-pyrrole]-4'-carboxylate