2-(trans-2,6-dimethylmorpholino)ethanamine 、 5-((6-((2-(4-(2-hydroxyethyl)piperidin-1-yl)pyridin-4-yl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-3-yl)amino)-6-methylnicotinic 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,
以97 %的产率得到N-(2-((2S,6S)-2,6-dimethylmorpholino)ethyl)-5-((6-((2-(4-(2-hydroxyethyl)piperidin-1-yl)pyridin-4-yl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-3-yl)amino)-6-methylnicotinamide