2-氯-5-氯甲基吡啶 、
5-carboethoxy-6-methyl-4-(4-methylphenyl)-1H-pyrimidin-2-thione 在
potassium carbonate 作用下,
以
乙腈 为溶剂,
以89%的产率得到ethyl 1-[1-(6-chloropyridin-3-yl-methyl)-2-(6-chloropyridin-3-yl-methylthio)-4-methyl-6-(4-tolyl)-1,6-dihydropyrimidin-5-yl]carboxylate