[(2R,3R,4S,5S,6S)-3,4,5-triacetyloxy-6-[2-[4-[[(2S,3R,4S,5R,6R)-2-methoxy-3-[[1-[2-[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyethyl]triazol-4-yl]methoxy]-5-[2-[2-[4-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]ethoxy]ethoxy]-6-[2-[2-[4-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]ethoxy]ethoxymethyl]oxan-4-yl]oxymethyl]triazol-1-yl]ethoxy]oxan-2-yl]methyl acetate 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以89%的产率得到(2R,3S,4S,5S,6S)-2-(hydroxymethyl)-6-[2-[4-[[(2S,3R,4S,5R,6R)-2-methoxy-3-[[1-[2-[(2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyethyl]triazol-4-yl]methoxy]-5-[2-[2-[4-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]ethoxy]ethoxy]-6-[2-[2-[4-[[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]ethoxy]ethoxymethyl]oxan-4-yl]oxymethyl]triazol-1-yl]ethoxy]oxane-3,4,5-triol