p-dodecylphenyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside   、                                                                                      
2-(2-nitrobenzyloxy)ethyl 3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl-(1→6)-2,3,4-tri-O-benzyl-β-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
N-碘代丁二酰亚胺   、                                                                                                  
silver trifluoromethanesulfonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以3.27 g的产率得到2-(2-nitrobenzyloxy)ethyl 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl-(1→2)-3-O-benzyl-4,6-O-benzylidene-α-D-mannopyranosyl-(1→6)-2,3,4-tri-O-benzyl-β-D-glucopyranoside