benzyl 2-acetamido-4-O-<2-acetamido-3-O-(D-1-carboxyethyl)-2-deoxy-4,6-O-isopropylidene-β-D-glucopyranosyl>-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranoside                                                                                                                                                              在
                                                                                                                                         palladium on activated charcoal                                                                                                                                                                                                                               
N-羟基丁二酰亚胺   、                                                                                                  
氢气   、                                                                                                  
溶剂黄146   、                                                                                                  
N,N'-二环己基碳二亚胺                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 2-(2-{2-[(2S,3R,4R,5S,6R)-3-Acetylamino-2-((2R,3S,4R,5R)-5-acetylamino-4,6-dihydroxy-2-hydroxymethyl-tetrahydro-pyran-3-yloxy)-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yloxy]-propionylamino}-propionylamino)-3-methyl-succinamic acid benzyl ester