Chemistry of Natural Compounds

, Volume 10, Issue 2, pp 170-172

First online:

New flavonol glycosides from the needles of Larix sibirica

  • N. A. Tyukavkina
  • , S. A. Medvedeva
  • , S. Z. Ivanova

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The needles ofLarix sibirica Ledb. have yielded two new flavonoid glycosides, for which the structures of 4′,5,5′,7-tetrahydroxy-3′-methoxyflavonol 3-O-β-D-glucopyranoside (laricitrin 3-glucoside) and 4′,5,7-trihydroxy-3′,5′-dimethoxyflavonol 3-O-[O-β-D-glucopyranosyl-(1→6)-α-L-rhamnoside] (syringetin 3-rutinoside) have been established.