5-azido-3-oxapentyl 3-O-[methyl (5-acetamido-4,7,8,9-tetra-O-acetyl-3,5-dideoxy-D-glycero-α-D-galacto-2-nonulopyranosyl)onate]-2,6-di-O-benzyl-β-D-galactopyranoside                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                生成                                                 (2S,4S,5R,6R)-5-Acetylamino-2-{(2R,3R,4S,5S,6R)-2-[2-(2-azido-ethoxy)-ethoxy]-3-benzyloxy-6-benzyloxymethyl-5-hydroxy-tetrahydro-pyran-4-yloxy}-4-hydroxy-6-((1R,2R)-1,2,3-trihydroxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester