3-azidopropyl 2,3,5-tri-O-benzoyl-α-L-arabinofuranosyl-(1->3)-6-O-acetyl-2,4-di-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-1-thio-β-D-galactopyranosyl-(1->6)-[2,3,5-tri-O-benzoyl-α-L-arabinofuranosyl-(1->3)]-2,4-di-O-benzoyl-β-D-galactopyranosyl-(1->6)-2,3,4-tri-O-benzoyl-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇   、                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                以86%的产率得到3-azidopropyl α-L-arabinofuranosyl-(1->3)-β-D-galactopyranosyl-(1->6)-β-D-galactopyranosyl-(1->6)-[α-L-arabinofuranosyl-(1->3)]-β-D-galactopyranosyl-(1->6)-β-D-galactopyranoside