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Polyphenolic compounds from Geranium purpureum Vill. growing in Turkey

Author:
  • Didem Sohretoglu
  • Mahmut Koray Sakar
  • Olov Sterner
Publishing year: 2011
Language: English
Pages: 809-814
Publication/Series: Turkish Journal of Chemistry
Volume: 35
Issue: 5
Document type: Journal article
Publisher: Scientific Technical Research Council Turkey-Tubitak

Abstract english

Two new flavonol derivatives, Geranioside A (kaempferol 3-[3-(alpha-rhamnopyranosyl)-4-oxy-5-hydroxy-6-methyl-3,4-dihyropyran-2H -2-pyranoside]) (1) and Geranioside B (quercetin 3-[3-(alpha-rhamnopyranosyl)-4-oxy-5-hydroxy-6-methyl-3,4-dihyropyran-2H -2-pyranoside]) (2), along with 5 known flavonols (quercetin (3), kaempferol (4), quercetin 4'-O-beta-glucopyranoside (5), quercetin 3-O-beta-glucopyranoside (6), and kaemferol-3-O-beta-glucopyranoside (7)), a gallic acid derivative (methyl gallate (8)), and a hydrolysable tannin (pusilagin (9)), were isolated from the aerial parts of Geranium purpureum. The structures of the isolated compounds were elucidated on the basis of UV, IR, and 1D-and 2D-NMR experiments as well as TOF-MS.

Keywords

  • Organic Chemistry
  • Geranium purpureum
  • Geraniaceae
  • flavonoids
  • Geraniosides A and B

Other

Published
  • ISSN: 1300-0527
Olov Sterner
E-mail: olov [dot] sterner [at] science [dot] lu [dot] se

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