methyl (3S)-4-azido-3-[[(3S)-4-azido-3-[[(3S)-4-azido-3-[[(3S)-4-azido-3-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]butanoyl]amino]butanoyl]amino]butanoate 、 propargyl 2,3,4,6-tetra-O-acetyl-α-D-mannopyranoside 在
copper(ll) sulfate pentahydrate 、
维生素 C 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 4.0h,
以82%的产率得到methyl (3S)-3-[[(3S)-3-[[(3S)-3-[[(3S)-3-[(2-methylpropan-2-yl)oxycarbonylamino]-4-[4-[[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]butanoyl]amino]-4-[4-[[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]butanoyl]amino]-4-[4-[[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]butanoyl]amino]-4-[4-[[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]butanoate