methyl O-β-D-galactopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-β-D-galactopyranosyl-(1->3)-O-(2-acetamido-4,6-O-benzylidene-2-deoxy-β-D-glucopyranosyl)-(1->3)-2,4,6-tri-O-benzyl-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                    反应 72.0h,
                                                                                                                以69%的产率得到methyl O-β-D-galactopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-O-β-D-galactopyranosyl-(1->3)-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-(1->3)-β-D-galactopyranoside