、
乙酸酐 以
甲醇 、
二氯甲烷 为溶剂,
反应 0.67h,
以118 mg的产率得到[(2R,3R,4S,5R,6R)-5-[(2S,3R,4S,5S,6R)-4-[[(2R,4aR,6S,7R,8R,8aS)-7-acetamido-8-hydroxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-5-[(2S,3R,4R,5R,6R)-3-acetamido-4,5-diacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-3-phenylmethoxy-6-(phenylmethoxymethyl)oxan-2-yl]oxy-2,4-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl] 2,2-dimethylpropanoate