4,4'-二甲氧基[联-1,4-环己二烯-1-基]-3,3',6,6'-四酮 、
4-(3-phenylallylideneamino)benzoic acid 以
1,4-二氧六环 为溶剂,
反应 12.0h,
以88%的产率得到4-[7-[1-(4-carboxyphenyl)-4a-methoxy-5,8-dioxo-4-phenyl-4,8a-dihydroquinolin-7-yl]-4a-methoxy-5,8-dioxo-4-phenyl-4,8a-dihydroquinolin-1-yl]benzoic acid