ethyl 1-[6-(3-{[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyridin-6-yl)pyridin-3-yl]-4-methylpiperidine-4-carboxylate 在
potassium hydroxide 作用下,
以
乙醇 、
水 为溶剂,
以42%的产率得到potassium 1-[6-(3-{[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyridin-6-yl)pyridin-3-yl]-4-methylpiperidine-4-carboxylate