2-benzyloxycarbonylaminoethyl O-(methyl 2,3-di-O-acetyl-4-O-levulinoyl-β-D-glucopyranosyluronate)-(1->3)-4,6-di-O-acetyl-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
一水合肼   、                                                                                                  
溶剂黄146                                                                                                                                  作用下,
                                                                                                                                                                                        反应 0.13h,
                                                                                                                以80%的产率得到2-benzyloxycarbonylaminoethyl O-(methyl 2,3-di-O-acetyl-β-D-glucopyranosyluronate)-(1->3)-4,6-di-O-acetyl-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside