(S)-4-(3-methylmorpholino)pyridin-3-amine 、 2-phenylimidazo[1,2-b]pyridazine-8-carboxylic acid 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,
生成 (S)-N-(4-(3-methylmorpholino)pyridin-3-yl)-2-phenylimidazo[1,2-b]pyridazine-8-carboxamide