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A new sesquiterpene lactone from Elephantopus tomentosus

文献类型: 外文期刊

作者: Wang, Bei 1 ; Mei, Wen-Li 2 ; Zeng, Yan-Bo 2 ; Guo, Zhi-Kai 2 ; Liu, Guo-Dao 1 ; Dai, Hao-Fu 2 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Danzhou 571737, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Hainan Key Lab Res & Dev Nat Prod Li Folk Med, Haikou 571101, Peoples R China

3.Hainan Univ, Hort & Garden Coll, Haikou 570228, Peoples R China

关键词: antibacterial activity;Asteraceae;Elephantopus tomentosus;sesquiterpene lactone

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:

年卷期:

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收录情况: SCI

摘要: A new sesquiterpene lactone, named tomenphantopin H (1), together with two known germacranolides, 2-methoxy-2-deethoxy-8-O-deacylphantomolin-8-O-tiglinate (2) and 2-deethoxy-2-hydroxyphantomolin (3), was isolated from the whole plant of Elephantopus tomentosus Linn. The new compound was completely elucidated using a combination of 1D and 2D NMR techniques (COSY, HMQC, and HMBC) and HR-ESI-MS analyses. All compounds exhibited antibacterial activity.

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