1-(4-fluorophenyl)-2-oxo-1,2-dihydro-1,7-naphthyridine-3-carboxylic acid 、
4-((3-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)aniline 在
三乙胺 、 N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以80%的产率得到1-(4-fluorophenyl)-N-(4-((3-(1-methyl-1H-pyrazol-4-yl)pyridin-4-yl)oxy)phenyl)-2-oxo-1,2-dihydro-1,7-naphthyridine-3-carboxamide