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Daphnauranols A-C, new antifeedant sesquiterpenoids with a 5/6/7 ring system from Daphne aurantiaca

文献类型: 外文期刊

作者: Huang, Sheng-Zhuo 1 ; Li, Xiao-Nian 2 ; Ma, Qing-Yun 1 ; Dai, Hao-Fu 1 ; Li, Liang-Chun; Cai, Xiang-Hai 2 ; Liu, Yu 1 ;

作者机构: 1.Chinese Acad Trop Agr Sci, Key Lab Biol & Genet Resources Trop Crops, Minist Agr, Inst Trop Biosci & Biotechnol, Haikou 571101, Peoples R China

2.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources West Ch, Kunming Inst Bot, Kunming 650201, Peoples R China

3.Chinese Acad Sci, State Key Lab Phytochem & Plant Resources West Ch, Kunming Inst Bo

关键词: Daphne aurantiaca;Thymelaeceae;Sesquiterpenoid;Daphnauranol

期刊名称:TETRAHEDRON LETTERS ( 影响因子:2.415; 五年影响因子:2.036 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Daphnauranols A-C (1-3), three new sesquiterpenoids with an unprecedented 5/6/7 ring system, were isolated from the stems of Daphne aurantiaca Diels. Their structures were elucidated on the basis of comprehensive spectroscopic methods including MS and NMR. The absolute configuration of daphnauranol A was further confirmed by single crystal X-ray diffraction (Cu Kα). Their anti-feedant activity was tested, and the fruit fly antifeedant index (Al) were 39.8 ± 7.2%, 29.4 ± 7.2%, and 26.3 ± 6.4%, respectively.

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