2,4-dimethoxy-6-methylamino-benzamide 、
acetic acid 4-chlorocarbonyl-2,6-dimethyl-phenyl ester 在
乙酸乙酯 、 silica gel 作用下,
以
吡啶 为溶剂,
反应 14.0h,
以to give acetic acid 4-(5,7-dimethoxy-1-methyl-4-oxo-1,4-dihydro-quinazolin-2-yl)-2,6-dimethyl-phenyl ester (0.34 g, 67%)的产率得到acetic acid 4-(5,7-dimethoxy-1-methyl-4-oxo-1,4-dihydro-quinazolin-2-yl)-2,6-dimethyl-phenyl ester