4-Methylphenyl (6-O-acetyl-2,3,4-tri-O-benzyl-beta-D-glucopyranosyl)-(1-4)-[2-azido-3-O-(4-bromobenzyl)-6-O-tert-butyldiphenylsilyl-2-deoxy-alpha-D-glucopyranosyl]-(1-4)-2-O-benzoyl-3-O-benzyl-1-thio-alpha-L-idopyranoside 、 [(2S,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6S)-6-(acetyloxymethyl)-5-[(2R,3R,4R,5S,6R)-5-[(2S,3R,4S,5R,6S)-6-(acetyloxymethyl)-3-benzoyloxy-5-[(2R,3R,4R,5S,6R)-4-[(4-bromophenyl)methoxy]-6-[[tert-butyl(diphenyl)silyl]oxymethyl]-3-(diacetylamino)-5-hydroxyoxan-2-yl]oxy-4-phenylmethoxyoxan-2-yl]oxy-3-azido-4-[(4-bromophenyl)methoxy]-6-[[tert-butyl(diphenyl)silyl]oxymethyl]oxan-2-yl]oxy-3-benzoyloxy-4-phenylmethoxyoxan-2-yl]oxy-2-methoxy-6-(naphthalen-2-ylmethoxymethyl)-3-(phenylmethoxycarbonylamino)oxan-4-yl] benzoate 在
N-碘代丁二酰亚胺 、
三氟甲磺酸 、
sodium methylate 、
2,2,6,6-四甲基哌啶氧化物 、
碘苯二乙酸 作用下,
以
二氯甲烷 、
甲醇 、
水 为溶剂,
反应 4.0h,
生成 (2S,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-6-[[(1R,3R,4R,7S,8S)-3-[(2R,3S,4R,5R,6R)-5-acetamido-6-[[(1R,3R,4R,7S,8S)-3-[(2R,3S,4R,5R,6R)-5-azido-4-[(4-bromophenyl)methoxy]-2-[[tert-butyl(diphenyl)silyl]oxymethyl]-6-[[(1R,3R,4R,7S,8S)-3-[(2R,3S,4R,5R,6S)-4-hydroxy-6-methoxy-2-(naphthalen-2-ylmethoxymethyl)-5-(phenylmethoxycarbonylamino)oxan-3-yl]oxy-6-oxo-8-phenylmethoxy-2,5-dioxabicyclo[2.2.2]octan-7-yl]oxy]oxan-3-yl]oxy-6-oxo-8-phenylmethoxy-2,5-dioxabicyclo[2.2.2]octan-7-yl]oxy]-4-[(4-bromophenyl)methoxy]-2-[[tert-butyl(diphenyl)silyl]oxymethyl]oxan-3-yl]oxy-6-oxo-8-phenylmethoxy-2,5-dioxabicyclo[2.2.2]octan-7-yl]oxy]-5-azido-4-[(4-bromophenyl)methoxy]-2-[[tert-butyl(diphenyl)silyl]oxymethyl]oxan-3-yl]oxy-3,4,5-tris(phenylmethoxy)oxane-2-carboxylic acid