benzyl (2S,3S,4S,5R,6R)-6-(6-azidohexoxy)-5-benzoyloxy-4-[(2S,3R,4S,5R,6R)-3-benzoyloxy-6-(benzoyloxymethyl)-5-[(2R,3R,4S,5S,6S)-3-benzoyloxy-4-(4-oxopentanoyloxy)-5-phenylmethoxy-6-phenylmethoxycarbonyloxan-2-yl]oxy-4-phenylmethoxyoxan-2-yl]oxy-3-phenylmethoxyoxane-2-carboxylate 在
吡啶 、
乙酸肼 、
溶剂黄146 作用下,
以93%的产率得到benzyl (2S,3S,4S,5R,6R)-6-[(2R,3R,4S,5R,6S)-6-[(2R,3R,4S,5S,6S)-2-(6-azidohexoxy)-3-benzoyloxy-5-phenylmethoxy-6-phenylmethoxycarbonyloxan-4-yl]oxy-5-benzoyloxy-2-(benzoyloxymethyl)-4-phenylmethoxyoxan-3-yl]oxy-5-benzoyloxy-4-hydroxy-3-phenylmethoxyoxane-2-carboxylate