2-氯-7-环戊基-N,N-二甲基-7H-吡咯并[2,3-d]嘧啶-6-甲酰胺   、                                                                                      4-(tert-butyl-dimethyl-silanyloxy)-3,4,5,6-tetrahydro-2H-[1,3]bipyridinyl-6'-ylamine   、                                                                                      
四丁基氟化铵                                                                                                                                                                                              以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以to give 7-cyclopentyl-2-(4-dimethylamino-3,4,5,6-tetrahydro-2H-[1,3]bipyridinyl-6′-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (110 mg, 61%)的产率得到7-cyclopentyl-2-(4-dimethylamino-3,4,5,6-tetrahydro-2H-[1,3']bipyridinyl-6'-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide