6-O-benzyl-2,3-bis-O-(4-chlorobenzyl)-β-D-glucopyranosyl-(1->8)-5,9-anhydro-6,7,10-tris-O-(4-chlorobenzyl)-1,2,3,4-tetradeoxy-D-glycero-D-gulo-deca-1,3-diynitol   、                                                                                      
乙酸酐                                                                                                                                                              在
                                                                                                                                                                                 
三氟甲磺酸三甲基硅酯                                                                                                                                  作用下,
                                                                                                                                                                                        反应 24.0h,
                                                                                                                以63%的产率得到2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl-(1->8)-6,7,10-tri-O-acetyl-5,9-anhydro-1,2,3,4-tetradeoxy-D-glycero-D-gulo-deca-1,3-diynitol