、
乙酸酐 在
4-二甲氨基吡啶 作用下,
以
吡啶 为溶剂,
以121 mg的产率得到[(2S,3R,4R,5S,6R)-3-acetamido-2-[(2R,3S,4R,5R,6S)-5-acetamido-4-acetyloxy-6-(4-methoxyphenoxy)-2-(phenylmethoxymethyl)oxan-3-yl]oxy-5-[(2S,3R,4R,5S,6R)-3-acetamido-5-[(2S,3R,4R,5S,6R)-3-azido-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxy-4-phenylmethoxy-6-(phenylmethoxymethyl)oxan-2-yl]oxy-6-(phenylmethoxymethyl)oxan-4-yl] acetate