[(2R,3R,4S,5S,6S)-3,4,5-triacetyloxy-6-[2-[4-[[(2R,3R,4S,5R,6S)-3-[2-(2-azidoethoxy)ethoxy]-2-[2-(2-azidoethoxy)ethoxymethyl]-6-methoxy-5-[[1-[2-[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyethyl]triazol-4-yl]methoxy]oxan-4-yl]oxymethyl]triazol-1-yl]ethoxy]oxan-2-yl]methyl acetate 、
2-炔丙基-四-O-乙酰基-β-D-吡喃葡萄糖苷 在
triethylphosphite copper(I) iodide complex 作用下,
以
甲苯 为溶剂,
以91%的产率得到[(2R,3R,4S,5S,6S)-3,4,5-triacetyloxy-6-[2-[4-[[(2S,3R,4S,5R,6R)-2-methoxy-3-[[1-[2-[(2S,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxyethyl]triazol-4-yl]methoxy]-5-[2-[2-[4-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]ethoxy]ethoxy]-6-[2-[2-[4-[[(2R,3R,4S,5R,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]ethoxy]ethoxymethyl]oxan-4-yl]oxymethyl]triazol-1-yl]ethoxy]oxan-2-yl]methyl acetate