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望江南化学成分分离和结构鉴定

Keywords: 药物化学,望江南,成分分离,结构鉴定

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Abstract:

研究望江南的化学成分.利用硅胶、SephadexLH-20柱色谱及重结晶等方法进行分离纯化,根据理化性质和1H-NMR、13C-NMR等波谱数据进行结构鉴定.从望江南种子中用体积分数为95%的乙醇提取物的氯仿部分分离得到5个化合物,分别鉴定为大黄素甲醚(1),豆甾醇(2),5,7'-二聚大黄素甲醚(3),1-棕榈酸单甘油酯(4),豆甾醇-3-β-D-吡喃葡萄糖苷(5).其中,化合物3,4,5为首次从望江南中分离得到.

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