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Molecules 2002, 7(1), 38-50; doi:10.3390/70100038

Thirteen New Xanthone Derivatives from Calophyllum caledonicum (Clusiaceae)

SONAS, UFR des Sciences Pharmaceutiques et Ingénierie de la santé, 16 Bd Daviers, F-49100 Angers, France
ICSN-CNRS, Gif-sur-Yvette, F-91191, France
Author to whom correspondence should be addressed.
Received: 11 October 2001 / Revised: 28 November 2001 / Accepted: 28 November 2001 / Published: 31 January 2002
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An EtOAc extract of the stem bark of Calophyllum caledonicum (Clusiaceae) yielded thirteen new hydroxylated and/or prenylated xanthone derivatives, namely 5-hydroxy-8-methoxyxanthone (1), 3,5-dihydroxy-1,2-dimethoxyxanthone (2), 1,8-dihydroxy-6,7-dimethoxyxanthone (3), 5,7-dihydroxy-2,6-dimethoxyxanthone (4), 6,8-dihydroxy-3,7-dimethoxy-xanthone (5), 2,5,6,7,8-pentahydroxyxanthone (6), 1,3,8-trihydroxy-5,7-dimethoxyxanthone (7) and according to a previously adopted nomenclature [3], caledonixanthone G-L. (8-13). The structural elucidation of 1-13 were mainly established on the basis of 1D and 2D NMR and HRMS spectroscopic analysis. View Full-Text
Keywords: NMR; MS; xanthones; Calophyllum caledonicum; Guttiferae NMR; MS; xanthones; Calophyllum caledonicum; Guttiferae

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MDPI and ACS Style

Morel, C.; Hay, A.-E.; Litaudon, M.; Sévenet, T.; Séraphin, D.; Bruneton, J.; Richomme, P. Thirteen New Xanthone Derivatives from Calophyllum caledonicum (Clusiaceae). Molecules 2002, 7, 38-50.

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