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Three new xanthones from Garcinia xanthochymus.

Three new xanthones from Garcinia xanthochymus. To study xanthones from the barks of Garcinia xanthochymus, the constituents were isolated by normal-phase and reverse-phase silica gel column chromatography from the EtOAc extract. Their structures were elucidated by spectral analysis. Three new xanthones were purified and identified as 1,2,5-trihydroxy-6-methoxyxanthone (1), 1,4,6-trihydroxy-5-methoxyxanthone (2), 1,2,7-trihydroxy-4-(1,1-dimethylallyl) xanthone (3). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Yao xue xue bao = Acta pharmaceutica Sinica Pubmed

Three new xanthones from Garcinia xanthochymus.

Yao xue xue bao = Acta pharmaceutica Sinica , Volume 43 (9): 4 – Oct 8, 2009

Three new xanthones from Garcinia xanthochymus.


Abstract

To study xanthones from the barks of Garcinia xanthochymus, the constituents were isolated by normal-phase and reverse-phase silica gel column chromatography from the EtOAc extract. Their structures were elucidated by spectral analysis. Three new xanthones were purified and identified as 1,2,5-trihydroxy-6-methoxyxanthone (1), 1,4,6-trihydroxy-5-methoxyxanthone (2), 1,2,7-trihydroxy-4-(1,1-dimethylallyl) xanthone (3).

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ISSN
0513-4870
pmid
19048786

Abstract

To study xanthones from the barks of Garcinia xanthochymus, the constituents were isolated by normal-phase and reverse-phase silica gel column chromatography from the EtOAc extract. Their structures were elucidated by spectral analysis. Three new xanthones were purified and identified as 1,2,5-trihydroxy-6-methoxyxanthone (1), 1,4,6-trihydroxy-5-methoxyxanthone (2), 1,2,7-trihydroxy-4-(1,1-dimethylallyl) xanthone (3).

Journal

Yao xue xue bao = Acta pharmaceutica SinicaPubmed

Published: Oct 8, 2009

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