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Flavonoid oligosides from georgian Astragalus falcatus

  • M. D. Alaniya
  • N. Sh. Kavtaradze
  • A. V. Skhirtladze
  • M. G. Sutiashvili
Article
  • 86 Downloads

New flavonoid oligosides were isolated from leaves and flowers of Astragalus falcatus Lam. It was found on the basis of chemical transformations, UV, IR, PMR, 13 C NMR, HMBC, HSQC, 1D-TOCSY, and mass spectral properties that falcoside C had the structure quercetin 3-O-[β-D-glucopyranosyl(1 → 3)-α-Lrhamnopyranosyl(1 → 6)]-β-D-galactopyranoside 7-O-β-D-glucopyranoside; falcoside D, isorhamnetin 3-O-[β-D-xylopyranosyl(1 → 3)-α-L-rhamnopyranosyl(1 → 6)]-β-D-galactopyranoside 7-O-α-Lrhamnopyranoside.

Keywords

Astragalus falcatus flavonoids flagalosides quercetin isorhamnetin falcosides UV, IR, PMR, 13C NMR 2M (HSQC, HMBC, 1D-TOCSY) spectra 

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Copyright information

© Springer Science+Business Media, Inc. 2011

Authors and Affiliations

  • M. D. Alaniya
    • 1
  • N. Sh. Kavtaradze
    • 1
  • A. V. Skhirtladze
    • 1
  • M. G. Sutiashvili
    • 1
  1. 1.I. G. Kutateladze Institute of Pharmaceutical ChemistryTbilisiGeorgia

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