6-(5-Chloro-2-methyl-phenyl)-N4-(4-trifluoromethyl-phenyl)-pyrimidine-2,4-diamine 、
丁二酸酐 在
碳酸氢钠 、
magnesium sulfate 作用下,
以
甲苯 为溶剂,
反应 6.0h,
以to provide 1-[4-(5-chloro-2-methyl-phenyl)-6-(4-trifluoromethyl-phenylamino)-pyrimidin-2-yl]-pyrrolidine-2,5-dione as a white solid (96% yield)的产率得到1-[4-(5-chloro-2-methyl-phenyl)-6-(4-trifluoromethyl-phenylamino)-pyrimidin-2-yl]-pyrrolidine-2,5-dione