Molecules 2010, 15(2), 606-612; doi:10.3390/molecules15020606
Article

Caloxanthones O and P: Two New Prenylated Xanthones from Calophyllum inophyllum

Hao-Fu Dai 1,2 email, Yan-Bo Zeng 1,2 email, Qi Xiao 1 email, Zhuang Han 1 email, You-Xing Zhao 3 email and Wen-Li Mei 1,2,* email
1 Key Laboratory of Tropical Crop Biotechnology, Ministry of Agriculture, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, Hainan, China 2 International Joint Laboratory for Research and Development of Tropical Medicinal Plants, Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, China 3 State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204, Yunnan, China
* Author to whom correspondence should be addressed.
Received: 30 November 2009; in revised form: 4 January 2010 / Accepted: 8 January 2010 / Published: 27 January 2010
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Abstract: Chemical investigation of the EtOH extract of the twigs of Calophyllum inophyllum collected in Hainan Province of China resulted in the isolation of two new prenylated xanthones, caloxanthone O (1) and caloxanthone P (2). Their structures were elucidated by a study of their physical and spectral data. Compound 1 exhibited cytotoxicity against human gastric cancer cell line (SGC-7901),with an IC50 value of 22.4 μg mL-1.
Keywords: Calophyllum inophyllum; caloxanthone O; caloxanthone P; cytotoxic activity; prenylated xanthones

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MDPI and ACS Style

Dai, H.-F.; Zeng, Y.-B.; Xiao, Q.; Han, Z.; Zhao, Y.-X.; Mei, W.-L. Caloxanthones O and P: Two New Prenylated Xanthones from Calophyllum inophyllum. Molecules 2010, 15, 606-612.

AMA Style

Dai H-F, Zeng Y-B, Xiao Q, Han Z, Zhao Y-X, Mei W-L. Caloxanthones O and P: Two New Prenylated Xanthones from Calophyllum inophyllum. Molecules. 2010; 15(2):606-612.

Chicago/Turabian Style

Dai, Hao-Fu; Zeng, Yan-Bo; Xiao, Qi; Han, Zhuang; Zhao, You-Xing; Mei, Wen-Li. 2010. "Caloxanthones O and P: Two New Prenylated Xanthones from Calophyllum inophyllum." Molecules 15, no. 2: 606-612.

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