在
                                                                                                                                                                                 sodium cacodylate buffer   、                                                                                                  
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 96.0h,
                                                                                                                生成                                                 8-(methoxycarbonyl)octyl O-(5-acetamido-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosylonic acid)-(2<*>3)-O-β-D-galactopyranosyl-(1<*>4)-O-<α-L-fucopyranosyl-(1<*>3)>-2-deoxy-2-propionamido-β-D-glucopyranoside