Two new terpenoids from the stems of Manihot esculenta

文献类型： 外文期刊

第一作者： Zeng, Yan-Bo

作者： Zeng, Yan-Bo;Li, Shan-Shan;Mei, Wen-Li;Dong, Wen-Hua;Dai, Hao-Fu;Li, Kai-Mian

作者机构：

关键词： Manihot esculenta;Saphylococcus aureus;thecacorin C;sporogen AO-2;antimicrobial;Euphorbiaceae

期刊名称：JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH （ 影响因子：1.569； 五年影响因子：1.598 ）

ISSN： 1028-6020

年卷期： 2015 年 17 卷 3 期

页码：

收录情况： SCI

摘要： A new eremophilane sesquiterpene, sporogen AO-2 (1), and a new beyerane diterpene, thecacorin C (2), together with two known compounds, longifoamide-B (3) and methylcholestane-3 beta,5 alpha,6 beta-triol (4), were isolated from the stems of Manihot esculenta. The structures of the two new compounds were determined by spectroscopic techniques (UV, IR, MS, 1D, and 2D NMR). Antimicrobial assay showed that compound 3 possessed modest inhibitory effects on Saphylococcus aureus and methicillin-resistant S.aureus, diameters of inhibition zones of which were 7.5 and 8.0mm, respectively. Compound 4 possessed modest inhibitory effect on S. aureus, the diameter of inhibition zone of which was 6.8mm.

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