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Two new xanthones from Polygala crotalarioides
Yan Hua1, Chang-Xiang Chen, Yu-Qing Liu
1State Key Laboratory of Phytochemistry and Plant Reeources in West China, Kunming Institute of Botany, the Chinese Academy of Sciences, Kunming 650204, Yunnan, China.
Journal of Asian Natural Products Research
|June 15, 2007
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.
