N-cyclopentyl-4-[2-isobutyl-7-(methylsulfinyl)pyrazolo[1,5-a]pyridin-3-yl]3-ylpyrimidin-2-amine                                                                                                                                                              在
                                                                                                                                                                                 silica gel   、                                                                                                  
ethyl acetate n-hexane                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
环戊胺                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                以to give N-cyclopentyl-3-[2-(cyclopentylamino)pyrimidin-4-yl]-2-isobutylpyrazolo[1,5-a]pyridin-7-amine (93 mg, 81%) as a White solid的产率得到N-cyclopentyl-3-[2-(cyclopentylamino)pyrimidin-4-yl]-2-isobutylpyrazolo[1,5-a]pyridin-7-amine