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<p>The three <i>Polygonum</i> species (Polygonaceae) <i>P. arenastrum</i> Boreau, <i>P. aviculare</i> L., and <i>P. borgoicum</i> Tupitz afforded 22 flavonoids, including new compounds <b>1–4</b>, the structures of which were elucidated using UV and NMR spectroscopy and mass spectrometry as myricetin 3-<i>O</i>-(2″-<i>O</i>-acetyl)-<i>β</i>-D-glucuronopyranoside (<b>1</b>), isorhamnetin 3-<i>O</i>-(3″-<i>O</i>-acetyl)-<i>β</i>-D-glucuronopyranoside (<b>2</b>), kaempferide 3-<i>O</i>-(2″-<i>O</i>-acetyl)-<i>β</i>-D-glucuronopyranoside (<b>3</b>), and kaempferol 3-<i>O</i>-(2″,3″-di-<i>O</i>-acetyl)-<i>β</i>-D-glucuronopyranoside (<b>4</b>).</p>

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New Flavonol Acetates of O-Glucuronides from Three Polygonum Species

  • 期刊论文

  • 发表日期：

    2025年5月17日

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  • D. N. Olennikov,
  • N. I. Kashchenko

摘要

The three Polygonum species (Polygonaceae) P. arenastrum Boreau, P. aviculare L., and P. borgoicum Tupitz afforded 22 flavonoids, including new compounds 1–4, the structures of which were elucidated using UV and NMR spectroscopy and mass spectrometry as myricetin 3-O-(2″-O-acetyl)-β-D-glucuronopyranoside (1), isorhamnetin 3-O-(3″-O-acetyl)-β-D-glucuronopyranoside (2), kaempferide 3-O-(2″-O-acetyl)-β-D-glucuronopyranoside (3), and kaempferol 3-O-(2″,3″-di-O-acetyl)-β-D-glucuronopyranoside (4).