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Journal of Asian Natural Products Research Volume 13, 2011 - Issue 3
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Original Articles

A new prenylated xanthone from the branches of Calophyllum inophyllum

Dai-Jing Wei Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
,
Wen-Li Mei Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
,
Hui-Ming Zhong College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
,
Yan-Bo Zeng Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
,
Xu-Dong Wu Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, China
&
Hao-Fu Dai Hainan Key Laboratory for Research and Development of Natural Products from Li Folk Medicine, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, 571101, ChinaCorrespondence[email protected]
Pages 265-269 | Received 25 Oct 2010, Accepted 22 Dec 2010, Published online: 15 Mar 2011
 
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Abstract

The investigation of chemical constituents from the branches of Calophyllum inophyllum Linn led to the isolation of a new prenylated xanthone, named caloxanthone Q (1), together with three known compounds, 2-deprenylrheediaxanthone B (2), jacareubin (3), and 6-deoxyjacareubin (4). Their structures were completely elucidated on the basis of spectroscopic methods (UV, IR, HR-ESI-MS, 1D NMR, and 2D NMR).

Acknowledgements

This research was financially supported by National Nonprofit Institute Research Grant of CATAS-ITBB (ITBBZD0742) and National Basic Research Program of China (2009CB125904).

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Related Research Data

5,9,11-Trihydroxy-10-(2″-hydroxy-3″-methylbut-3″-en-1-yl)-2,2-dimethyl-3-(2′-methylbut-3′-en-2′-yl)-2H,12H-pyrano[2,3-a]xanthen-12-one from Calophyllum pseudomole
Source: MDPI AG

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