ethyl 4-(3-bromo-4-hydroxy-5-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate 、
2,4-二硝基苯肼 以
乙醇 为溶剂,
反应 3.0h,
以73%的产率得到4-(3-Bromo-4-hydroxy-5-methoxy-phenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydro-pyrimidine-5-carboxylic acid N'-(2,4-dinitro-phenyl)-hydrazide