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团花树皮的化学成分研究

摘要:

采用硅胶、MCI和Sephadex LH-20层析方法对团花树皮的化学成分进行分离纯化,运用现代波谱技术鉴定了10个化合物:4-carboxy-3-hydroxy-5-methylphenyl 3-methoxy-4-hydroxy-5-methylbenzoate(1),谷甾醇-3-O-(6'-O-棕榈酰基)-β-D-葡萄糖苷(2),喹诺酸-3-O-α-L-鼠李糖苷(3),clethric acid(4),常春藤苷元(5),钩藤苷元 C(6),morolic acid(7),咖啡酸甲酯(8),卡丹宾(9)和3α-二氢卡丹宾(10)。其中化合物1为一个新的酚性成分,化合物2~8首次从该属植物中分离得到。

关键词: 团花, 树皮, 化学成分, 4-carboxy-3-hydroxy-5-methylphenyl 3-methoxy-4-hydroxy-5-methylbenzoate

Abstract:

Ten compounds were isolated and purified from the bark of Anthocephalus chinensis by column chromatography on silica gel, MCI and Sephadex LH-20, and their structures were elucidated as 4-carboxy-3-hydroxy-5-methylphenyl 3-methoxy-4-hydroxy-5-methylbenzoate (1), sitosterol-3-O-(6'-O-palmityl)-β-D-glucoside (2), quinovic acid-3-O-α-L-rhamnopyranoside (3), clethric acid (4), hederagenin (5), uncargenin C (6), morolic acid (7), caffeic acid methyl ester (8), cadambine (9), and 3α-dihydrocadambine (10) by modern spectroscopic methods. Compound 1 was a new phenolic compound, and compounds 2-8 were obtained from Anthocephalus plantsfor the first time.

Key words: Anthocephalus chinensis, bark , chemical constituent , 4-carboxy-3-hydroxy-5-methylphenyl 3-methoxy-4-hydroxy-5-methylbenzoate

中图分类号: 

R284.2Q946.91

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