O-(2,4,6-tri-O-acetyl-3-O-methyl-β-D-glucopyranosyl)-(1->3)-(2,4,6-tri-O-acetyl-α-D-glucopyranosyl) trichloroacetimidate                                                                                                                                                              在
                                                                                                                                         
三氟甲磺酸三甲基硅酯                                                                                                                                                                                                                               吡啶   、                                                                                                  molecular sieve   、                                                                                                  
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 10.92h,
                                                                                                                生成                                                 O-2,4,6-tri-O-acetyl-3-O-methyl-β-D-glucopyranosyl-(1->3)-(2,4,6-tri-O-acetyl-β-D-glucopyranosyl)-(1->4)-2-O-acetyl-3-O-benzyl-6-deoxy-α/β-D-glucopyranose