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