(2S,4S,5S,6R)-4-Benzoyloxy-5-hydroxy-2-((2R,3S,4R,5R,6R)-3,4,5-tris-benzoyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-6-((1R,2R)-1,2,3-tris-benzoyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
三氟甲磺酸酐 作用下,
以
吡啶 、
二氯甲烷 为溶剂,
反应 1.0h,
以93%的产率得到(2S,4S,5R,6R)-5-Azido-4-benzoyloxy-2-((2R,3S,4R,5R,6R)-3,4,5-tris-benzoyloxy-6-methoxy-tetrahydro-pyran-2-ylmethoxy)-6-((1S,2R)-1,2,3-tris-benzoyloxy-propyl)-tetrahydro-pyran-2-carboxylic acid methyl ester