1-(3-氨基丙基)咪唑   、                                                                                      
8-cyclohexyl-2-methanesulfonyl-5-oxo-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
acetonitrile-water                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
溶剂黄146   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 0.67h,
                                                                                                                以26 mg of 8-Cyclohexyl-2-(3-imidazol-1-yl-propylamino)-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester was obtained as a white solid的产率得到8-Cyclohexyl-2-(3-imidazol-1-yl-propylamino)-5-oxo-5,8-dihydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester