methyl O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-(1->3)-O-<2-O-acetyl-3,4,6,7-tetra-O-benzyl-α-L-glycero-D-manno-heptopyranosyl-(1->7)>-2,4,6-tri-O-benzyl-l-glycero-α-D-manno-heptopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
potassium tert-butylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以81%的产率得到methyl O-(2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl)-(1->3)-O-<3,4,6,7-tetra-O-benzyl-L-glycero-α-D-manno-heptopyranosyl-(1->7)>-2,4,6-tri-O-benzyl-L-glycero-α-D-manno-heptopyranoside