tri-O-benzyl-α-L-fucopyranosyl-(1->4)-2-acetamido-3,6-di-O-benzoyl-2-deoxy-β-D-glucopyranosyl azide 、 丙炔基-四聚乙二醇-丙炔基 在
copper(l) iodide 、
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
以81%的产率得到[(2R,3S,4R,5R,6R)-5-acetamido-6-[4-[2-[2-[2-[2-[[1-[(2R,3R,4R,5S,6R)-3-acetamido-4-benzoyloxy-6-(benzoyloxymethyl)-5-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxyoxan-2-yl]triazol-4-yl]methoxy]ethoxy]ethoxy]ethoxy]ethoxymethyl]triazol-1-yl]-4-benzoyloxy-3-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxyoxan-2-yl]methyl benzoate