6-methoxy-1,5-naphthyridin-4-yl trifluoromethanesulfonate   、                                                                                      benzyl {2-[(1S,4S)-2,5-diazabicyclo[2.2.1]hept-2-yl]ethyl}carbamate hydrochloride                                                                                                                                                              在
                                                                                                                                                                                 
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         DMF (N,N-dimethyl-formamide)                                                                                  为溶剂,
                                                                                                                                                    反应 18.0h,
                                                                                                                以27%的产率得到benzyl (2-{(1S,4S)-5-[6-(methyloxy)-1,5-naphthyridin-4-yl]-2,5-diazabicyclo[2.2.1]hept-2-yl}ethyl)carbamate