3-hydrazino-N-isobutyl-3-oxopropanamide   、                                                                                      
2,4-dichloro-N,N-diethyl-1,8-naphthyridine-3-carboxamide                                                                                                                                                                                              以
                                                                                         various solvent(s)                                                                                  为溶剂,
                                                                                                                                                    反应 0.75h,
                                                                                                                以57%的产率得到5-chloro-N,N-diethyl-9-[2-(isobutylamino)-2-oxoethyl][1,2,4]triazolo[4,3-a][1,8]naphthyridine-6-carboxamide