(2S,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-5-acetamido-4-hydroxy-2-(hydroxymethyl)-6-(4-oxobutoxy)oxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid 、
乙二胺 在
sodium cyanoborohydride 作用下,
以
甲醇 为溶剂,
反应 27.0h,
以67%的产率得到(2S,3S,4S,5R,6R)-6-[(2R,3S,4R,5R,6R)-5-acetamido-6-[4-[2-[4-[(2R,3R,4R,5S,6R)-3-acetamido-5-[(2R,3R,4S,5S,6S)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]oxy-4-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxybutylamino]ethylamino]butoxy]-4-hydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid