1,2,4-Triazin-6(1H)-one,2-(4,7-dimethyl-2-oxo-2H-1-benzopyran-6-yl)-2,5-dihydro-5-[(4-hydroxy-7-methyl-2-oxo-2H-1-benzopyran-3-yl)methylene]-3-phenyl- 、
乙酰氯 在
溶剂黄146 作用下,
反应 2.0h,
以55%的产率得到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