New oligostilbenes having a benzofuran from Vitis vinifera 'Kyohou'

Junko Ito, Yoshiaki Takaya, Yoshiteru Oshima, Masatake Niwa

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)


Three new oligostilbenes having a benzofuran moiety, viniferifuran, (+)- vitisifuran A and (-)-vitisifuran B, were isolated from Vitis vinifera 'Kyohou'. The structures of these oligostilbenes including the absolute configuration were elucidated by spectroscopic and chemical methods. Furthermore, these were chemically transformed from (+)-ε-viniferin, (+)- vitisin A and (-)-vitisin B, respectively, whose absolute configurations are known.

Original languageEnglish
Pages (from-to)2529-2544
Number of pages16
Issue number9
Publication statusPublished - 1999 Feb 26
Externally publishedYes


  • Benzofurans
  • Dehydrogenation
  • Natural products
  • Oligomers

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry


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