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