6-(2-((6-hydroxy-2-oxo-2H-chromen-3-yl)methylene)hydrazineyl)-7-methoxy-4-methyl-2H-chromen-2-one 、
benzohydroximoyl chloride 在
三乙胺 作用下,
以
氯仿 为溶剂,
反应 4.25h,
以73%的产率得到6-[[5-(6-hydroxy-2-oxochromen-3-yl)-3-phenyl-5H-1,2,4-oxadiazol-4-yl]amino]-7-methoxy-4-methylchromen-2-one