反应详情

317 mg of ethyl 6-(pyrid-2-yl)imidazo[1,2-a]pyridine-2-carboxylate are saponified under conditions similar to those described for the preparation of Intermediate 11 (step 11.3) to give 280 mg of 6-(pyrid-2-yl)imidazo[1,2-a]pyridine-2-carboxylic acid in the form of a pasty pink solid.