N-(4-((2-(1H-pyrazol-4-yl)pyridin-4-yl)oxy)-2,5-difluorophenyl)-4-ethoxy-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide 在
盐酸 作用下,
以
乙腈 为溶剂,
以79%的产率得到N-(4-((2-(1H-pyrazol-4-yl)pyridin-4-yl)oxy)-2,5-difluorophenyl)-4-ethoxy-1-(4-fluorophenyl)-2-oxo-1,2-dihydropyridine-3-carboxamide hydrochloride