Triazolopyridines. Part 24: New polynitrogenated potential helicating ligands

The synthesis of novel 7-{[1,2,3]triazolo[1,5-a]pyridin-3-yl}-[1,2,3]triazolo[1,5-a]pyridines , 2-pyridyl-[1,2,3]triazolo[1,5-a]pyrid-7-ylmethanols , 3-(6-substituted-2-pyridyl)-[1,2,3]triazolo[1,5-a]pyridines , and 7,7′-disubstituted-3,3′-[1,2,3]triazolo[1,5-a]pyridine , interesting polynitrogenated ligands as potential helicating compounds or luminescent sensors, from [1,2,3]triazolo[1,5-a]pyridines is described.