methyl (1R,4R)-4-[5(3-{[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyridin-6-yl)pyrazin-2-yl]cyclohexane-1-carboxylate 在
potassium hydroxide 作用下,
以
乙醇 、
水 为溶剂,
反应 4.0h,
以72%的产率得到potassium (1R,4R)-4-[5-(3-{[2-(difluoromethoxy)phenyl]methyl}-2-methylimidazo[1,2-a]pyridin-6-yl)pyrazin-2-yl]cyclohexane-1-carboxylate