8-Methoxycarbonyloctyl-O-(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->3)-2,4,6-tri-O-benzyl-β-D-mannopyranosid                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                以95%的产率得到8-Methoxycarbonyloctyl-O-(3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->3)-2,4,6-tri-O-benzyl-β-D-mannopyranosid