(3S,4S,5R,6R)-1-N-benzyloxycarbonyl-4,5-O-isopropylidene-3-tosyloxymethyl-6-methyl-hexahydropyridazine-4,5-diol                                                                                                                                                              在
                                                                                                                                                                                 
叠氮化四丁基铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 3.5h,
                                                                                                                以97%的产率得到(3S,4S,5R,6R)-1-N-benzyloxycarbonyl-3-azidomethyl-4,5-O-isopropylidene-6-methyl-hexahydropyridazine-4,5-diol