3-oxo-2-(pyridin-3-yl)-6-[4-(trifluoromethoxy)phenyl]-2,3-dihydropyridazine-4-carboxylic acid   、                                                                                      
trans-4-aminotetrahydro-3-furanol hydrochloride                                                                                                                                                              在
                                                                                                                                                                                 
4-二甲氨基吡啶   、                                                                                                  
N,N-二异丙基乙胺   、                                                                                                  N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
N,N-二甲基甲酰胺                                                                                  为溶剂,
                                                                                                                                                    反应 48.0h,
                                                                                                                以56 mg的产率得到N-[(trans)-4-hydroxytetrahydrofuran-3-yl]-3-oxo-2-(pyridin-3-yl)-6-[4-(trifluoromethoxy)phenyl]-2,3-dihydropyridazine-4-carboxamide