3-Oxo-2-{[4-(5-oxo-4-phenyl-4,5-dihydro-1H-[1,2,4]triazol-3-yl)-phenyl]-hydrazono}-butyric acid ethyl ester 在
一水合肼 作用下,
以
溶剂黄146 为溶剂,
以46%的产率得到5-(4-{N'-[3-Methyl-5-oxo-1,5-dihydro-pyrazol-(4Z)-ylidene]-hydrazino}-phenyl)-4-phenyl-2,4-dihydro-[1,2,4]triazol-3-one