苯肼 、 3-Oxo-2-{[4-(4-phenyl-5-thioxo-4,5-dihydro-1H-[1,2,4]triazol-3-yl)-phenyl]-hydrazono}-butyric acid ethyl ester 以
溶剂黄146 为溶剂,
以48%的产率得到5-Methyl-2-phenyl-4-{[4-(4-phenyl-5-thioxo-4,5-dihydro-1H-[1,2,4]triazol-3-yl)-phenyl]-hydrazono}-2,4-dihydro-pyrazol-3-one