benzyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1->3)-[2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1->4)]-[2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1->6)]-2-acetamido-2-deoxy-α-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                                                        以83%的产率得到benzyl-2-acetamido-2-deoxy-β-D-glucopyranosyl-(1->3)-[2-acetamido-2-deoxy-β-D-glucopyranosyl-(1->4)]-[2-acetamido-2-deoxy-β-D-glucopyranosyl-(1->6)]-2-acetamido-2-deoxy-α-D-glucopyranoside