在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.25h,
以96%的产率得到methyl (2R,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-5-azido-6-[(2R,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-5-azido-6-[(2R,3S,4S,5R,6R)-5-benzoyloxy-2-methoxycarbonyl-4-phenylmethoxy-6-propan-2-yloxyoxan-3-yl]oxy-2-(hydroxymethyl)-4-phenylmethoxyoxan-3-yl]oxy-5-benzoyloxy-2-methoxycarbonyl-4-phenylmethoxyoxan-3-yl]oxy-2-(hydroxymethyl)-4-phenylmethoxyoxan-3-yl]oxy-3-[(2R,3R,4R,5S,6R)-3-azido-6-(hydroxymethyl)-4,5-bis(phenylmethoxy)oxan-2-yl]oxy-5-benzoyloxy-4-phenylmethoxyoxane-2-carboxylate