(2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-(((1S,3R,5S,6R,7S,8S)-6,7,8-tris(benzyloxy)-5-methoxy-4-oxaspiro[2.5]octan-1-yl)oxy)tetrahydro-2H-pyran-3,4,5-triol 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 、
二氯甲烷 、
乙酸乙酯 为溶剂,
反应 3.0h,
以100%的产率得到(1S,3S,5S,6R,7S,8S)-5-methoxy-1-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-4-oxaspiro[2.5]octane-6,7,8-triol