在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以100%的产率得到(2S,3R,4S,5R,6R)-2-[(2R,3S,4R,5R,6S)-6-[[(4aR,6S,7R,8R,8aS)-6-[(2R,3S,4R,5R,6S)-5-azido-6-[tert-butyl(dimethyl)silyl]oxy-4-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxy-2-(phenylmethoxymethyl)oxan-3-yl]oxy-7-hydroxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl]oxy]-5-azido-4-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxy-2-(phenylmethoxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol