2-phthalimido-2,3-dideoxy-3-fluoro-4,6-di-O-acetyl-β-D-glucopyranosyl trichloroacetimidate   、                                                                                      
苄基2-乙酰氨基-2-脱氧-3-O-(2,3,4,6-四-O-乙酰基己糖吡喃糖苷)吡喃己糖苷                                                                                                                                                              在
                                                                                                                                                                                 
三氟甲磺酸三甲基硅酯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                                                        以82%的产率得到benzyl 6-O-[2-phthalimido-2,3-dideoxy-3-fluoro-4,6-di-O-acetyl-β-D-glucopyranosyl]-3-O-[2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl]-2-acetamido-2-deoxy-α-D-galactopyranoside