4-氯苯甲醛 、 5-p-Chlorophenylcarbamoyl-4-
1-(2'-hydroxyethyl)hydrazino-N1>-2-oxo-4-methyl-1,2-dihydro-pyrimidine 以
乙醇 、 二甲基亚砜 为溶剂,
以75%的产率得到4-[N'-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-N-(2-hydroxy-ethyl)-hydrazino]-6-methyl-2-oxo-1,2-dihydro-pyrimidine-5-carboxylic acid (4-chloro-phenyl)-amide