4-[1-(4-Hydroxy-7-methyl-2-oxo-2H-chromen-3-yl)-meth-(E)-ylidene]-2-phenyl-4H-oxazol-5-one 在
sodium acetate 、
溶剂黄146 作用下,
反应 7.0h,
生成 1-Acetyl-2-(4,7-dimethyl-2-oxo-2H-chromen-6-yl)-5-[1-(4-hydroxy-7-methyl-2-oxo-2H-chromen-3-yl)-meth-(Z)-ylidene]-3-phenyl-2,5-dihydro-1H-[1,2,4]triazin-6-one