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Molecules 2012, 17(5), 6114-6125; doi:10.3390/molecules17056114

Preussianone, a New Flavanone-Chromone Biflavonoid from Garcinia preussii Engl.

1
Department of Organic Chemistry, University of Yaoundé, P.O. Box 812, Yaoundé, Cameroon
2
School of Pharmaceutical Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
3
Institute of Organic Chemistry, Am Hubland, University of Würzburg, Würzburg 97074, Germany
4
Department of Chemistry, Higher Teachers’ Training College, University of Maroua, P.O. Box 46, Maroua, Cameroon
*
Authors to whom correspondence should be addressed.
Received: 20 March 2012 / Revised: 26 April 2012 / Accepted: 14 May 2012 / Published: 21 May 2012
(This article belongs to the Section Natural Products)
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Abstract

A new flavanone-chromone biflavonoid, preussianone (1), has been isolated from the leaves of Garcinia preussii, along with four known biflavonoids. The absolute stereostructures were elucidated by chemical, spectroscopic, and chiroptical methods. The biological properties of the new biflavonoid against several bacterial strains were evaluated.
Keywords: Garcinia biflavonoids; absolute configuration; high-temperature NMR; antibacterial activity Garcinia biflavonoids; absolute configuration; high-temperature NMR; antibacterial activity
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Messi, B.B.; Ndjoko-Ioset, K.; Hertlein-Amslinger, B.; Lannang, A.M.; Nkengfack, A.E.; Wolfender, J.-L.; Hostettmann, K.; Bringmann, G. Preussianone, a New Flavanone-Chromone Biflavonoid from Garcinia preussii Engl.. Molecules 2012, 17, 6114-6125.

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