Isolation of bioactive components from Flaveria bidentis (L.) Kuntze using high-speed counter-current chromatography and time-controlled collection method

文献类型： 外文期刊

第一作者： Wei, Yun

作者： Wei, Yun;Zhang, Kai;Yin, Li;Du, Jilin;Zhang, Guoliang

作者机构：

关键词： α-Terthienyl;High-speed counter-current chromatography;Thiophene;Time-controlled collection method

期刊名称：JOURNAL OF SEPARATION SCIENCE （ 影响因子：3.645； 五年影响因子：2.943 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Semipreparative high-speed counter-current chromatography (HSCCC) by time-controlled collection method was successfully applied for isolation and purification of α-terthienyl, 5-(3-buten-1-ynyl)-2,2'-bithienyl, and 5-(3-penten-1-ynyl)-2,2'-bithienyl from Flaveria bidentis (L.) Kuntze for the first time. The two-phase solvent system composed of n-hexane and acetonitrile at the volume ratio of 1:1 (v/v) was used for the semipreparative HSCCC. The 5.2 mg α-terthienyl, 2.2 mg 5-(3-buten-1-ynyl)-2,2'-bithienyl, and 4.3 mg 5-(3-penten-1-ynyl)-2,2'-bithienyl with the purity of 99.9, 90.2, and 92.1% were produced from 265.6 mg crude extract, respectively, and 5-(3-penten-1-ynyl)-2, 2'-bithienyl was first isolated from Flaveria bidentis (L.) Kuntze. The structures of the separated compounds were identified by electrospray-ionization mass spectrometry and proton and carbon nuclear magnetic resonance (~1H- and ~(13)C-NMR).

分类号： O6

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