[(2R,3R,4S,5R,6R)-4,5-diacetyloxy-3-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[4-[[4-[1,2,2-tris[4-[[1-[(2R,3R,4S,5R,6R)-3,4-diacetyloxy-6-(acetyloxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]triazol-4-yl]methoxy]phenyl]ethenyl]phenoxy]methyl]triazol-1-yl]oxan-2-yl]methyl acetate 在
sodium methylate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 5.0h,
以97%的产率得到(2S,3R,4S,5R,6R)-2-[(2R,3S,4R,5R,6R)-4,5-dihydroxy-2-(hydroxymethyl)-6-[4-[[4-[1,2,2-tris[4-[[1-[(2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]triazol-4-yl]methoxy]phenyl]ethenyl]phenoxy]methyl]triazol-1-yl]oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol