5-[1-(4-Hydroxy-8-methyl-2-oxo-2H-chromen-3-yl)-meth-(Z)-ylidene]-2,3-diphenyl-2,5-dihydro-1H-[1,2,4]triazin-6-one 、
乙酰氯 在
溶剂黄146 作用下,
反应 2.0h,
以55%的产率得到1-Acetyl-5-[1-(4-hydroxy-8-methyl-2-oxo-2H-chromen-3-yl)-meth-(Z)-ylidene]-2,3-diphenyl-2,5-dihydro-1H-[1,2,4]triazin-6-one