Cyclobutanes from Combretum albopunctatum

D.R. Katerere, A.I. Gray, A.R. Kennedy, R.J. Nash, R.D. Waigh

Research output: Contribution to journalArticle

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Abstract

A dichloromethane extract of the aerial parts of Combretum albopunctatum Suessengafforded five phenolic compounds - three known flavonoids and two novel cyclobutane chalcone dimers. The chemical structures were determined by standard spectroscopic techniques and the structure and relative stereochemistry of one chalcone dimer, rel-(1a,2b)-di-(2,6-dimethoxy-4-hydroxy)-benzoylrel-(3a,4b)-diphenylcyclobutane, were confirmed by single crystal X-ray diffraction.
Original languageEnglish
Pages (from-to)433-438
Number of pages5
JournalPhytochemistry
Volume65
Issue number4
DOIs
Publication statusPublished - Feb 2004

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Keywords

  • dichloromethane extract
  • Combretum albopunctatum Suessengafforded
  • five phenolic compounds - three known flavonoids and two novel cyclobutane chalcone dimers
  • chemical structures
  • stereochemistry
  • crystal X-ray diffraction

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