6-(4-chlorophenyl)-2-(1-methyl-1H-pyrazol-4-yl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid 、
(1S)-7-fluoro-1,2,3,4-tetrahydronaphthalen-1-amine hydrochloride 在
N,N-二异丙基乙胺 、 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36 %的产率得到6-(4-chlorophenyl)-N-[(1S)-7-fluoro-1,2,3,4-tetrahydronaphthalen-1-yl]-2-(1-methylpyrazol-4-yl)-3-oxopyridazine-4-carboxamide