2-(trimethylsilyl)ethyl-2,3,4-tri-O-benzyl-α-D-fucopyranosyl-(1-3)-[2,3,4-tri-O-benzyl-α-D-fucopyranosyl-(1-4)]-6-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranoside   、                                                                                      
乙酸酐                                                                                                                                                              在
                                                                                                                                                                                 
肼   、                                                                                                  
吡啶                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙醇                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以47%的产率得到2-(trimethylsilyl)ethyl-2,3,4-tri-O-acetyl-α-D-fucopyranosyl-(1-3)-[2,3,4-tri-O-acetyl-α-D-fucopyranosyl-(1-4)]-2-acetamido-6-O-acetyl-2-deoxy-β-D-glucopyranoside