8-(4-methoxybenzylidene)-5-(4-methoxyphenyl)-2,3,6,7-tetrahydrocyclopenteno-2-thioxopyrido[2,3-d]pyrimidin-4(1H)-one 、
Phenylazo-chloressigsaeureaethylester 以
氯仿 为溶剂,
反应 5.0h,
以61%的产率得到2-[(ethoxycarbonyl)(phenylazo)methyl]-8-(4-methoxyphenylmethylene)-5-(4-methoxyphenyl)-3,6,7-trihydrocyclopentenopyrido[2,3-d]pyrimidin-4(4H)-one