5-((6-((1,3-dimethyl-1H-pyrazol-4-yl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-3-yl)amino)-6-methylnicotinic acid 、
2-(3,3-dimethylpyrrolidin-1-yl)ethanamine 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44 %的产率得到5-((6-((1,3-dimethyl-1H-pyrazol-4-yl)amino)-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-3-yl)amino)-N-(2-(3,3-dimethylpyrrolidin-1-yl)ethyl)-6-methylnicotinamide