2-(2-(cyclooct-4-enyloxy)ethoxy)ethyl (methyl 2,3-di-O-benzoyl-β-D-glucopyranosyluronate)-(1->3)-4,6-O-p-methoxybenzylidene-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside   、                                                                                      
methyl (2,3-di-O-benzoyl-4-O-tert-butyldimethylsilyl-β-D-glucopyranosyluronate)-(1->3)-4,6-O-p-methoxybenzylidene-2-deoxy-2-trichloroacetamido-α-D-galactopyranoside trichloroacetimidate                                                                                                                                                              在
                                                                                                                                                                                 
三氟甲磺酸三甲基硅酯   、                                                                                                  4 A molecular sieve                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以45%的产率得到C
92H
104Cl
6N
2O
31Si