4-[8-chloro-2-(4-fluorophenyl)imidazo[1,2-a]pyridin-3-yl]-N-cyclopentyl-2-pyridinamine   、                                                                                      
环戊胺                                                                                                                                                              在
                                                                                                                                         palladium diacetate                                                                                                                                                                                                                               
caesium carbonate   、                                                                                                  
R-(+)-1,1'-联萘-2,2'-双二苯膦                                                                                                                                  作用下,
                                                                                                                                                                                                                            以27%的产率得到N-cyclopentyl-3-[2-(cyclopentylamino)pyridin-4-yl]-2-(4-fluorophenyl)imidazo[1,2-a]pyridin-8-amine