(R)-tert-butyl 3-(2-(6-fluoroimidazo[1,2-a]pyridin-3-yl)-6-methoxy-5-(trifluoromethyl)pyrimidin-4-ylamino)piperidine-1-carboxylate 、
三氟乙酸 、 以81 mg (95%) of the title compound were obtained as a white solid的产率得到(R)-2-(6-fluoroimidazo[1,2-a]pyridin-3-yl)-6-methoxy-N-(piperidin-3-yl)-5-(trifluoromethyl)pyrimidin-4-amine