[(2S,4aR,6R,7R,8R,8aR)-7-azido-2-[(1R,2R,3R,4R)-1-azido-2,3,5-tris(phenylmethoxy)-4-[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxypentyl]-6-(4-methoxyphenoxy)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] benzoate 、
乙酸酐 在
三乙基硅烷 、 10% Pd/C 、
吡啶 、
sodium methylate 作用下,
以
甲醇 、
氯仿 为溶剂,
反应 24.0h,
以82%的产率得到N-[(2S,4aR,6R,7R,8R,8aR)-2-[(1R,2R,3R,4R)-1-acetamido-2,3,5-trihydroxy-4-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypentyl]-8-hydroxy-6-(4-methoxyphenoxy)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl]acetamide