{3-[8-(3,4-Dichloro-phenyl)-5,6,7,8-tetrahydro-[2,6]naphthyridin-3-yloxy]-propyl}-diethyl-amine   、                                                                                      
聚合甲醛                                                                                                                                                              在
                                                                                                                                                                                 sodium tetrahydroborate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 1.0h,
                                                                                                                生成                                                 {3-[8-(3,4-Dichloro-phenyl)-6-methyl-5,6,7,8-tetrahydro-[2,6]naphthyridin-3-yloxy]-propyl}-diethyl-amine