反应详情

Operations are carried out as for Example 19, starting from 2.5 g of 4-phenyl quinazoline 2-carboxylic acid, 10 ml of thionyl chloride 25 ml of toluene and 25 ml of diethylamine. 1.27 g of N,N-diethyl 4-phenyl quinazoline 2-carboxamide, melting at 101° C., is obtained.