5-(3-((2-(dimethylamino)ethyl)amino)-5-fluorophenyl)pyridine-3,4-diamine   、                                                                                      5-(5-(isopropylamino)pyridin-3-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[4,3-b]pyridine-3-carbaldehyde                                                                                                                                                              在
                                                                                                                                                                                 
1,2,3,4,5,6,7,8-八硫杂环辛烷                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
正丁醇                                                                                  为溶剂,
                                                                                                                                                    反应 2.5h,
                                                                                                                以31.9%的产率得到N
1-(3-fluoro-5-(2-(5-(5-(isopropylamino)pyridin-3-yl)-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[4,3-b]pyridin-3-yl)-3H-imidazo[4,5-c]pyridin-7-yl)phenyl)-N
2,N
2-dimethylethane-1,2-diamine