2-{[(2S)-1-(dimethylamino)propan-2-yl]oxy}-5-fluoro-4-(3-oxo-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)benzoic acid 、
2-(difluoromethyl)aniline hydrochloride 在
N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.25h,
以45%的产率得到N-[2-(difluoromethyl)phenyl]-2-{[(2S)-1-(dimethylamino)propan-2-yl]oxy}-5-fluoro-4-(3-oxo-5,6,7,8-tetrahydro[1,2,4]triazolo[4,3-a]pyridin-2(3H)-yl)benzamide