2,3,6-tri-O-acetyl-4-deoxy-α-D-galactopyranosyl-(1,3)-2,4,6-tri-O-pivaloyl-β-D-galactopyranosyl-(1,4)-2,3,6-tri-O-pivaloyl-α-D-glucopyranosyl-(1,1)-trichloroacetamide   、                                                                                      
(2S,3S,4R)-2-azido-3,4-bis(benzyloxy)octadecan-1-ol                                                                                                                                                              在
                                                                                                                                                                                 
三氟甲磺酸三甲基硅酯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以57%的产率得到2,3,6-tri-O-acetyl-4-deoxy-α-D-galactopyranosyl-(1,3)-2,4,6-tri-O-pivaloyl-β-D-galactopyranosyl-(1,4)-2,3,6-tri-O-pivaloyl-β-D-glucopyranosyl-(1,1)-(2S,3S,4R)-2-azido-3,4-dibenzyloxyoctadecane