4-溴-1-丁烯 、
N-(1-ethyl-3-methyl-2,4-dioxo-6-prop-2-enylpyrimidin-5-yl)-4-methylbenzenesulfonamide 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
以92%的产率得到N-(6-allyl-1-ethyl-3-methyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-(but-3-enyl)-4-methylbenzenesulfonamide