、                                                                                      
phenyl 2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-1-thio-β-D-glucopyranoside   、                                                                                      
phenyl 3-O-benzyl-2,6-di-O-pivaloyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-1-thio-β-D-glucopyranoside   、                                                                                      phenyl 3-O-benzyl-2,6-di-O-pivaloyl-β-D-glucopyranosyl-[1-4]-3-O-benzyl-2,6-di-O-pivaloyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6,-tri-O-methyl-β-D-glcopyranosyl-[1-4]-2,3,6-tri-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-1-thio-β-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                         
三氟化硼乙醚                                                                                                                                                                                                                               active moleculae sieve 4A                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                            -30.0 ℃
                                                                                                                            、0.13 Pa
                                                                                条件下,
                                                                                                                反应 9.0h,
                                                                                                                以5%的产率得到phenyl 3-O-benzyl-2,6-di-pivaloyl-β-D-glucopyranosyl-[1-4]-3-O-benzyl-2,6-di-O-pivaloyl-β-D-glucopyranosyl-[1-4]-3-O-benzyl-2,6-di-O-pivaloyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6,-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-methyl-1-thio-β-D-glucopyranoside