期刊
JOURNAL OF NATURAL PRODUCTS
卷 75, 期 7, 页码 1277-1283出版社
AMER CHEMICAL SOC
DOI: 10.1021/np300053f
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资金
- National Natural Science Foundation of China [31100258, 31170331, 81125022]
- Guangdong Key Science and Technology Special Project [2011A080403020]
- South China Sea Institute of Oceanology, Chinese Academy of Sciences [SQ200802]
- Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Science,
- Ministry of Agriculture [2010hzsZDZX003]
- Centre for International Mobility (CIMO), Finland
Eight limonoids, named moluccensins R-Y (1, 2, 5-10), and six known compounds, including 6-hydroxymexicanolide (3), were isolated from the seeds of an Indian mangrove, Xylocarpus moluccensis, collected in the estuaries of Andhra Pradesh. The absolute configuration of moluccensin V (7) was confirmed by means of single-crystal X-ray diffraction analysis. The H-1 and C-13 NMR data for 6-hydroxymexicanolide (3) was assigned for the first time, and the 6R absolute configuration established by single-crystal X-ray diffraction analysis. Moluccensin R (1), 6R-hydroxymexicanolicie (3), and 2-hydroxyfissinolide (4) exhibited marked antifeedant activity against the third-instar larvae of Brontispa longissima at a concentration of 1 mg/mL. The most potent compound tested was 2-hydroxyfissinolide (4), with an AFC(50) (concentration for 50% antifeedant activity) value of 94 mu g/mL at 24 h.
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