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Original Articles

Two new xanthones from Polygala crotalarioides

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Pages 273-275 | Published online: 04 Mar 2011
 

Abstract

Two new xanthones, 1,6,8-trihydroxy-7-methoxy-2,3-methylenedioxyxanthone (1) and 1,6-dihydroxy-7,8-dimethoxy-2,3-methylenedioxyxanthone (2), have been isolated from the roots of Polygala crotalarioides. Their structures were elucidated by spectral and chemical methods.

Acknowledgements

The authors are grateful to the Analytical Group of the Laboratory of Phytochemistry, Kunming Institute of Botany, Chinese Acacemy of Sciences, for the spectral measurements.

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