3-[(3-methoxyphenyl)amino]-5,5-dimethylcyclohex-2-enone 、
4-ethoxycarbonyl-5-phenyl-N-benzyldioxopyrroline 以
间二甲苯 为溶剂,
以81%的产率得到ethyl 1'-benzyl-6-methoxy-3,3-dimethyl-1,2'-dioxo-5'-phenyl-1',2,2',3,4,10-hexahydro-1H-spiro[acridine-9,3'-pyrrole]-4'-carboxylate