5-azidopentyl (4-O-acetyl-3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-benzyl-α-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
potassium carbonate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 4.0h,
                                                                                                                以81%的产率得到5-azidopentyl (3,6-di-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-benzyl-α-D-galactopyranoside