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Preussianone, a New Flavanone-Chromone Biflavonoid from Garcinia preussii Engl.
Department of Organic Chemistry, University of Yaoundé, P.O. Box 812, Yaoundé, Cameroon
School of Pharmaceutical Sciences, University of Geneva, Quai Ernest-Ansermet 30, 1211 Geneva 4, Switzerland
Institute of Organic Chemistry, Am Hubland, University of Würzburg, Würzburg 97074, Germany
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; in revised form: 26 April 2012 / Accepted: 14 May 2012 / Published: 21 May 2012
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
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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.
Messi BB, Ndjoko-Ioset K, Hertlein-Amslinger B, Lannang AM, Nkengfack AE, Wolfender J-L, Hostettmann K, Bringmann G. Preussianone, a New Flavanone-Chromone Biflavonoid from Garcinia preussii Engl.. Molecules. 2012; 17(5):6114-6125.
Messi, Bernadette Biloa; Ndjoko-Ioset, Karine; Hertlein-Amslinger, Barbara; Lannang, Alain Meli; Nkengfack, Augustin E.; Wolfender, Jean-Luc; Hostettmann, Kurt; Bringmann, Gerhard. 2012. "Preussianone, a New Flavanone-Chromone Biflavonoid from Garcinia preussii Engl.." Molecules 17, no. 5: 6114-6125.