benzyl O-(3-O-benzyl-4,6-O-benzylidene-β-D-galactopyranosyl)-(1->4)-2-acetamido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
氢气   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                                                                                        反应 48.0h,
                                                                                                                以64%的产率得到O-(2-O-methyl-β-D-galactopyranosyl)-(1->4)-2-acetamido-2-deoxy-D-glucopyranose