N-ethyl-2-((7-hydroxy-5-methoxy-4-oxo-2-phenyl-4H-chromen-6-yl)methylene)hydrazinecarbothioamide 、
氯乙酸 在
sodium acetate 作用下,
以
溶剂黄146 为溶剂,
反应 8.0h,
以78%的产率得到3-ethyl-2-(((7-hydroxy-5-methoxy-4-oxo-2-phenyl-4H-chromen-6-yl)methylene)hydrazono)-1,3-thiazolidin-4-one