Natural Product Sciences

The Korean Society of Pharmacognosy (한국생약학회)
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Two New Flavonol Glycosides from the Aerial Parts of Lotus lalambensis Growing in Saudi Arabia

  • El-Youssef, Hanan M. (Department of Pharmacognosy, College of Pharmacy, King Saud University) ;
  • Murphy, Brian T. (Department of Chemistry, Virginia Polytechnic Institute and State University) ;
  • Amer, Masouda E. (Department of Pharmacognosy, College of Pharmacy, King Saud University) ;
  • Al-Rehaily, Adnan J. (Department of Pharmacognosy, College of Pharmacy, King Saud University) ;
  • Abdel-Kader, Maged S. (Department of Pharmacognosy, College of Pharmacy, King Saud University) ;
  • Kingston, David G.I. (Department of Pharmacognosy, College of Pharmacy, King Saud University)
  • Published : 2008.06.30
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Abstract

Phytochemical study of the aerial parts of Lotus lalambensis Schweinf resulted in the isolation and identification of two new flavonol glycosides; kaempferol $3-O-(5"-acetyl)-apioside-7-O-{\alpha}-L-rhamnopyranoside$ (1) and kaempferol $3-O-{\alpha}-[{\beta}-D-xylosyl-(1""{\rightarrow} 2")-L-rhamnopyranoside]-7-O-{\alpha}-L-rhamnopyranoside$ (2). Structures were determined utilizing different physical, chemical, spectroscopic data including 2D-NMR experiments and HRFABMS.

Keywords

References

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