ethyl 6-(oxazol-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 365 mg of 6-(oxazol-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid in the form of a white solid的产率得到6-(oxazol-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid