、
[(2R,3S,4S,5R,6S)-3,4,5-triacetyloxy-6-[[(1R,2S,3R,4R,5R)-4-(1,3-dioxoisoindol-2-yl)-3-hydroxy-6,8-dioxabicyclo[3.2.1]octan-2-yl]oxy]oxan-2-yl]methyl acetate 在
N-碘代丁二酰亚胺 、
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以93.3%的产率得到[(2R,3S,4S,5R,6S)-3,4,5-triacetyloxy-6-[[(1R,2S,3R,4R,5R)-4-(1,3-dioxoisoindol-2-yl)-3-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxy-6,8-dioxabicyclo[3.2.1]octan-2-yl]oxy]oxan-2-yl]methyl acetate