2-(1-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethylidene)hydrazine-1-carbothioamide 、
溴乙酸乙酯 在
sodium acetate 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以68%的产率得到(2-{[1-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-ethylidene]hydrazono}-4-oxothiazolidin-3-yl)acetic acid ethyl ester