(R)-2-[(tert-butyldimethylsilyloxy)(phenyl)methyl]-6-ethynyl-4-methoxypyridine 、
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl azide 在
copper(l) iodide 、
三乙胺 、
三[(1-苄基-1H-1,2,3-三唑-4-基)甲基]胺 作用下,
以
乙腈 为溶剂,
反应 6.5h,
以94%的产率得到(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(4-(6-[(R)-(tert-butyldimethylsilyloxy)(phenyl)methyl]-4-methoxypyridin-2-yl)-1H-1,2,3-triazol-1-yl)tetrahydro-2H-pyran-3,4,5-triyl triacetate