Further sesquiterpenes from Polygonum viscosum (Polygonaceae)

Nat Prod Lett. 2002 Jun;16(3):143-8. doi: 10.1080/10575630290004206.

Abstract

Two new sesquiterpenes, 4-methoxycarbonyl-7-(1-methylethyl)-6-oxo-3,3a,7,8,8a-pentahydroazulene-1-carboxylic acid (viscoazusone) and 1,4-dimethoxy-carbonyl-7-(1-methylethyl)-6-oxo-3,3a,7,8,8a-pentahydroazulene (viscoazulone), were isolated from the whole plant of Polygonum viscosum. The structures of these compounds were determined by spectroscopic means.

MeSH terms

  • Azulenes
  • Bangladesh
  • Chromatography, High Pressure Liquid
  • Molecular Conformation
  • Molecular Structure
  • Nuclear Magnetic Resonance, Biomolecular
  • Plants, Medicinal / chemistry*
  • Polygonaceae / chemistry*
  • Sesquiterpenes / chemistry
  • Sesquiterpenes / isolation & purification*
  • Spectroscopy, Fourier Transform Infrared

Substances

  • Azulenes
  • Sesquiterpenes
  • viscoazulone
  • viscoazusone