ethyl 1-[2-(3-{[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyridin-6-yl)pyrimidin-5-yl]-4-methylpiperidine-4-carboxylate 在
potassium hydroxide 作用下,
以
乙醇 为溶剂,
以93%的产率得到ammonium 1-[2-(3-{[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyridin-6-yl)pyrimidin-5-yl]-4-methylpiperidine-4-carboxylate