4-O-<6-O-acetyl-2,3-di-O-benzoyl-4-O-(2,4,6-tri-O-acetyl-3-deoxy-α-D-xylo-hexopyranosyl)-β-D-galactopyranosyl>-2,3,6-tri-O-benzoyl-β-D-glucopyranosyl trichloroacetimidate   、                                                                                      
3-(Hexadecylsulfonyl)-2-<(hexadecylsulfonyl)methyl>-propan-1-ol                                                                                                                                                              在
                                                                                                                                                                                 3 A molecular sieve   、                                                                                                  
三氟化硼乙醚                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以59%的产率得到3-(hexadecylsulfonyl)-2-<(hexadecylsulfonyl)methyl>propyl 4-O-<6-O-acetyl-2,3-di-O-benzoyl-4-O-(2,4,6-tri-O-acetyl-3-deoxy-α-D-lyxo-hexopyranosyl)-β-D-galactopyranosyl>-β-D-glucopyranoside