methyl (2S,4S,5R,6R)-2-[(2R,3R,4S,5S,6R)-2-[(2R,3R,4R,5R,6S)-5-acetamido-3-hydroxy-2-(hydroxymethyl)-6-methoxyoxan-4-yl]oxy-3,5-diacetyloxy-6-(2,2-dimethylpropanoyloxymethyl)oxan-4-yl]oxy-4-acetyloxy-5-(diacetylamino)-6-[(1S,2R)-1,2,3-triacetyloxypropyl]oxane-2-carboxylate 、
Phenyl (2,3,4,6-tetra-O-acetyl-β-galactopyranosyl)-(1->4)-[(2,3,4-tri-O-benzyl-α-L-fucopyranosyl)-(1->3)]-6-O-naphthylmethyl-2-deoxy-2-phthalimido-1-thio-β-D-glucopyranoside 在
N-碘代丁二酰亚胺 、
三氟甲磺酸 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以79%的产率得到methyl (2S,4S,5R,6R)-2-[(2R,3R,4S,5S,6R)-2-[(2R,3R,4R,5R,6S)-5-acetamido-2-[[(2R,3R,4R,5S,6R)-3-(1,3-dioxoisoindol-2-yl)-4-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxy-6-(naphthalen-2-ylmethoxymethyl)-5-[(2S,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyoxan-2-yl]oxymethyl]-3-hydroxy-6-methoxyoxan-4-yl]oxy-3,5-diacetyloxy-6-(2,2-dimethylpropanoyloxymethyl)oxan-4-yl]oxy-4-acetyloxy-5-(diacetylamino)-6-[(1S,2R)-1,2,3-triacetyloxypropyl]oxane-2-carboxylate