Dolabranes from the Chinese Mangrove, Ceriops tagal
文献类型: 外文期刊
第一作者: Hu, Wei-Min
作者: Hu, Wei-Min;Li, Min-Yi;Li, Jun;Wu, Jun;Hu, Wei-Min;Li, Min-Yi;Li, Jun;Xiao, Qiang;Feng, Gang
作者机构:
期刊名称:JOURNAL OF NATURAL PRODUCTS ( 影响因子:4.05; 五年影响因子:4.603 )
ISSN: 0163-3864
年卷期: 2010 年 73 卷 10 期
页码:
收录情况: SCI
摘要: Six new dolabranes, named tagalsins P-U (1-6), were isolated from stems and twigs of a Chinese mangrove, Ceriops tagal, along with seven known dolabranes, an abietane, and a pimarane. The structures of these compounds were established on the basis of spectroscopic data or comparison with data in the literature. The relative configurations of tagalsins P and Q (1, 2), two new 15,16-dinor-dolabranes, were confirmed by means of single-crystal X-ray diffraction analysis. This is the first report of 16-nordolabranes and 15,16-dinordolabranes from plants of the Ceriops genus. Tagalsins Q (2), R (3), and U (6) showed moderate antifeedant activity against the third-instar larvae of Brontispa longissima at a concentration of 1 mg/mL. However, none of the new dolabranes exhibited significant activity against human cancer cell lines.
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