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红葱的化学成分研究

Chemical constituents of Eleutherine americana

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目的 研究红葱Eleutherine americana的化学成分.方法 采用硅胶柱色谱、Sephadex LH-20柱色谱及重结晶等方法,分离纯化红葱的化学成分,通过MS、NMR等波谱技术确定化合物结构.结果 确定了7个化合物的结构,分别为9-hydroxy-8-methoxy-1-methyl-1,3-dihydronaphtho[2,3-c]furan-4-O-β-D-glucopyranoside(1)、eleutherinoside A(2)、豆甾醇-3-O-β-D-葡萄糖苷(3)、kadsuric acid(4)、豆甾醇(5)、1,2-二羟基-8-甲氧基-3-甲基葸醌(6)、9-methoxy-1,3-dimethyl-1H-naphtho[2,3-c]pyran-5,10-dione(7).结论 化合物1为新化合物,命名为红葱新苷.化合物3～5为首次从该植物中分离得到,化合物6和7为首次获得的新天然产物.
Objective To investigate the chemical constituents from Eleutherine americana. Methods The chemical constituents were isolated and purified by column chromatography on silica gel, Sephadex LH-20, and recrystallization. Their structures were elucidated by means of MS and NMR. Results Seven compounds were isolated and identified as 9-hydroxy-8-methoxy-l-methyl-1, 3-dihydronaphtho [2, 3-c] furan-4-O-β-D-glucopyranoside (1), eleutherinoside A (2), stigmasterol-3-O-β-D-glucopyranoside (3), kadsuric acid (4), stigmasterol (5), 1, 2-dihydroxy-8-methoxy-3-methyl-anthra-9, 10-quinone (6), and 9-methoxy-l, 3-dimethyl-lH-naphtho [2, 3-c] pyran-5, 10-dione (7). Conclusion Compound 1 is a new glucopyranoside named eleuthamoside; compounds 3-5 are isolated from the plant for the first time, and compounds 6 and 7 are two new natural constituents.

Eleutherine americana Merr. Et K. Heyne9-hydroxy-8-methoxy-l-methyl-1, 3-dihydronaphtho [2, 3-c] furan-4-O-β-D-glucopyranoside1,2-dihydroxy-8-methoxy-3-methyl-anthra-9,10-quinone9-methoxy-l, 3-dimethyl-Lh-naphtho [2,3-c] pyran-5,10-dionestigmastero

刘西京

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深圳职业技术学院应用化学与生物技术学院,广东深圳518057

红葱 9-hydroxy-8-methoxy-1-methyl-1,3-dihydronaphtho[2,3-c]furan-4-O-β-D-glucopyranoside 1,2-二羟基-8-甲氧基-3-甲基葸醌 9-methoxy-1,3-dimethyl-1H-naphtho[2,3-c]pyran-5,10-dione 豆甾醇-3-O-β-D-葡萄糖苷

2012

中草药
天津药物研究院,中国药学会

中草药

CSTPCDCSCD北大核心
影响因子：1.632
ISSN：0253-2670
年,卷(期)：2012.43(2)
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