6-bromo-3-{[2-(difluoromethoxy)phenyl]methyl}-7-fluoro-2-methylimidazo[1,2-a]pyridine 、
[2-(4-ethoxycarbonyl-4-methylpiperidin-1-yl)pyrimidin-5-yl]boronic acid 在
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride 、
potassium carbonate 作用下,
以
四氢呋喃 为溶剂,
反应 3.0h,
以69%的产率得到ethyl 1-[5-(3-{[2-(difluoromethoxy)phenyl]methyl}-7-fluoro-2-methylimidazo[1,2-a]pyridin-6-yl)pyrimidin-2-yl]-4-methylpiperidine-4-carboxylate