N-[3-Cyano-6-(4-hydroxy-6-methyl-2-oxo-2H-chromen-3-yl)-4-(4-methoxy-phenyl)-pyridin-2-yl]-acetamidine 在
manganese(IV) oxide 作用下,
以
苯 为溶剂,
反应 11.0h,
以68%的产率得到5-(4-Hydroxy-6-methyl-2-oxo-2H-chromen-3-yl)-7-(4-methoxy-phenyl)-2-methyl-[1,2,4]triazolo[1,5-a]pyridine-8-carbonitrile