2-[2-(4-chloro-phenyl)-4-oxo-thiazolidin-3-yl-amino]-9-(4-methoxybenzylidene)-5-(4-methoxyphenyl)-3-methyl-6,7,8,9-tetrahydro-3H-pyrimido[4,5-b]quinolin-4-one 在
potassium hydroxide 作用下,
以
乙醇 为溶剂,
以82%的产率得到1-(4-chlorophenyl)-4-methyl-6-(4-methoxyphenyl)-10-(4-methoxybenzylidene)-[1,3]-thiazole[4',3':5'',1'']-[1,2,4]-triazolo[3'',4'':2,3]-7,8,9-trihydropyrimido[4,5-b]quinolin-5-one