ethyl 6-(pyridin-2-yl)imidazo[1,2-a]pyridine-2-carboxylate 、
6-(6-{[(1,1-dimethylethoxy)carbonyl]amino}pyrid-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid 以to give 280 mg of 6-(pyridin-2-yl)imidazo[1,2-α]pyridine-2-carboxylic acid in the form of a pasty pink solid的产率得到6-(Pyridin-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid