2-(but-3-ynyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one 、
2-溴吡啶 在
2-(4-(pyridin-2-yl)but-3-ynyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one 、 crude residue 、
methanol-dichloromethane 作用下,
以to yield 23 mg (87 mmol, 23%) of 2-(4-(pyridin-2-yl)but-3-ynyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one as a yellow solid (M.P.=95.5-96° C.)的产率得到2-(4-(pyridin-2-yl)but-3-ynyl)-[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one