Natural Product Sciences

The Korean Society of Pharmacognosy (한국생약학회)
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A New Flavonoid from Carrichtera annua

  • Shahat, Abdelaaty A. (Chemistry of Medicinal Plants Department, National Research Centre) ;
  • Abdel-Shafeek, Khaled A. (Chemistry Dept, Faculty of Sciences, Altahady University,Chemistry of Medicinal Plants Department, National Research Centre) ;
  • Husseiny, Husseiny A. (Chemistry of Medicinal Plants Department, National Research Centre) ;
  • Claeys, Magda (Department of Pharmaceutical Sciences, University of Antwerp, Universitieitsplein) ;
  • Apers, Sandra (Department of Pharmaceutical Sciences, University of Antwerp, Universitieitsplein) ;
  • Pieters, Luc (Department of Pharmaceutical Sciences, University of Antwerp, Universitieitsplein)
  • Published : 2006.09.01
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Abstract

Three flavonoid glycosides, $kaempferol-3-O-{\alpha}-L-rhamnopyranosyl-(1\;{\rightarrow}\;6)-{\beta}$-D-glucopyranoside$ or kaempferol-3-O-rutinoside (1), $isorhamnetic-3-O-{\alpha}-L-rhamnopyranosyl-(16)-{\beta}-D-glucopyranoside$ or isorhamnetin-3-O-rutinoside (2), and $quercetin-3-O-{\beta}-D-glucopyranosyl-(1 ${\rightarrow}\;2)-{\beta}-L-arabinopyranoside$ 3, the latter one being a new compound, were isolated from the methanolic extract of the aerial parts of Carrichtera annua. Mass spectrometry and 1D and 2D NMR spectroscopy allowed establishing the structure of these compounds.

Keywords

References

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