2-双甲基磺酰-亚甲基丙二酸二乙酯 、 N-(4-methylphenyl)-4-(methylthio)benzenecarboximidamide 反应 2.0h,
以to give the title compound (0.86 g, yield 20.2%, mp 153-155° C., purity 99.81% by HPLC)的产率得到ethyl 1-(4-methylphenyl)-4-(methylthio)-2-[4-(methylthio)phenyl]-6-oxo-1,6-dihydropyrimidine-5-carboxylate