PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE

 

e-ISSN 2231-8542
ISSN 1511-3701

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Anthraquinones and Xanthones from Cratoxylum glaucum (Guttiferae)

G.C.L. Ee, A.S.M. Kua and M. Rahmani

Pertanika Journal of Tropical Agricultural Science, Volume 15, Issue 1, January 2007

Keywords: Cratoxylum glaucum, Guttiferae, anthraquinones, xanthones, triterpenoids

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In a continuing search for xanthones and quinones from the Guttiferae family, we decided to look at the genus Cratoxylum. A detailed chemical study on Cratoxylum glaucum has led to the isolation of two triterpenoids, friedelin(l) and stigmasterol (2), two anthraquinones 1,8-dihydroxy-methyl-3-methoxyanthraquinone (3) and vismiaquinone(4) and one xanthone dimethylmangostin(5). These compounds were identified using the ID and 2D NMR spectroscopy. This is the first report done on the chemistry of Cratoxylum glaucum.

ISSN 1511-3701

e-ISSN 2231-8542

Article ID

JST-0548-2005

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