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Journal of Asian Natural Products Research Volume 6, 2004 - Issue 1
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Original Articles

Two new fluorenones from Dendrobiumchrysotoxum

Hong Yang Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, ChinaCorrespondence[email protected]
,
Gui-Xin Chou Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
,
Zheng-Tao Wang Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
,
Zhi-Bi Hu Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China
&
Luo-Shan Xu Department of Pharmacognosy, China Pharmaceutical University, Nanjing, 210038, China
Pages 35-38 | Received 06 Jan 2003, Accepted 05 Mar 2003, Published online: 15 Aug 2006
 
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Abstract

Two new fluorenones have been isolated from the orchid Dendrobium chrysotoxum Lindl. and their structures established as 2,4,7-trihydroxy-5-methoxy-9-fluorenone and 2,4,7-trihydroxy-1,5-dimethoxy-9-fluorenone.

Acknowledgements

This research was financially supported by the National Science Foundation of China for Professor L.S. Xu (No 30171144) and the Science and Technology Development Fund of Shanghai for Professor Z.T. Wang (00XD14022). We also thank Drs Xu Hong and Ding Xiaoyu, Department of Pharmacognosy, China Pharmaceutical University for providing plant material.

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