2-naphthylmethyl O-(methyl 2-O-benzoyl-3-O-chloroacetyl-4-O-levulinoyl-β-D-glucopyranosyluronate)-(1->3)-4-O-benzoyl-6-O-chloroacetyl-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
吡啶   、                                                                                                  
溶剂黄146   、                                                                                                  
肼                                                                                                                                  作用下,
                                                                                                                                                                                        反应 0.03h,
                                                                                                                以80%的产率得到2-naphthylmethyl O-(methyl 2-O-benzoyl-3-O-chloroacetyl-β-D-glucopyranosyluronate)-(1->3)-4-O-benzoyl-6-O-chloroacetyl-2-deoxy-2-trichloroacetamido-β-D-galactopyranoside