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題 名 | Flavonoid Aglycones and Indole Alkaloids from the Roots of Acacia Confusa |
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作 者 | 李宗徽; 周昌弘; | 書刊名 | Journal of the Chinese Chemical Society |
卷 期 | 47:6 2000.12[民89.12] |
頁 次 | 頁1287-1290 |
分類號 | 418.52 |
關鍵詞 | Acacia confusa; Root; Flavonoid aglycones; Indole alkaloids; Phytotoxicity; |
語 文 | 英文(English) |
英文摘要 | From the methanolic extract of the roots of Acacia confusa Merr. (Leguminosae), (-)-2,3-cis-3,4-cis-4�S-methoxy-3,3�S,4,7,8-pentahydroxyflavan (1), (-)-2,3-cis-3,4-cis-3,3�S,4,4�S,7,8-hexahydroxyflavan (2), (-)-2,3-trans-3�S,4�S,7,8-tetrahydroxydihydroflavonol (3), (+)-catechin (4), (-)-epicatechin (5), 3�S,4�S,7,8-tetrahydroxyflavonol (6) together with N-methyltryptamine (7) and N,N-dimethyltryptamine (8) were isolated, and their structures were established by analysis of their spectroscopic data. Among them, compound 1 was a new flavonoid. Additionally, the results of chromatographic bioassay on lettuce seeds indicated that compounds 7 and 8 exhibited significant phytotoxicity at a concentration lower than 14 mM. |
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