以五苄基-D-甘露糖为原料,经Wittig反应制得D-甘露庚糖烯(产率88％),然后在二乙酰氧基亚碘酰苯/LiBr体系下催化氧化糖基烯制得五苄基-D-甘露庚糖醇(产率65％),最后脱苄基得到D-甘露庚糖醇(产率90％),总得率51％.方法简便、环保,可用于糖醇的合成.
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