2-(2-nitrobenzylidene)hydrazinecarbothioamide 、
α-oxo-α-methyl-N-(p-carbethoxyphenyl)ethanehydrazonoyl chloride 在
sodium acetate 作用下,
以
乙醇 为溶剂,
以97%的产率得到4-(4-Methyl-2-{N'-[1-(2-nitro-phenyl)-meth-(Z)-ylidene]-hydrazino}-thiazol-5-ylazo)-benzoic acid ethyl ester