3,6-di-O-benzoyl-4-O-(2,3,4,6-tetra-O-benzoyl-α-D-glucopyranosyl)-1,5-anhydro-D-fructose O-benzoyloxime                                                                                                                                                              在
                                                                                                                                                                                 
N-溴代丁二酰亚胺(NBS)                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氯化碳                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以96%的产率得到3,6-di-O-benzoyl-2-(benzoyloximino)-4-O-(2,3,4,6-tetra-O-benzoyl-α-D-glucopyranosyl)-α-D-arabino-hexopyranosyl bromide