Seven germacranolides, eupaglehnins A, B, C, D, E, and F, and 2alpha-acetoxyepitulipinolide from Eupatorium glehni

Chem Pharm Bull (Tokyo). 2002 Sep;50(9):1250-4. doi: 10.1248/cpb.50.1250.

Abstract

Four new germacrane-type sesquiterpenoids with unsaturated acids as esters at the 8-position, two chlorine atom-containing lactones, 2alpha-acetoxyepitulipinolide, and 12 previously known compounds have been isolated from the MeOH extract of Eupatorium glehni (Compositae) and their structures have been determined on the basis of spectral data analyses.

MeSH terms

  • Eupatorium / chemistry*
  • Magnetic Resonance Spectroscopy
  • Mass Spectrometry
  • Models, Molecular
  • Molecular Conformation
  • Sesquiterpenes / chemistry*
  • Sesquiterpenes / isolation & purification
  • Sesquiterpenes, Germacrane*
  • Spectrophotometry, Infrared

Substances

  • Sesquiterpenes
  • Sesquiterpenes, Germacrane
  • germacranolide