Plant-growth inhibitory activity of heliannuol derivatives

Fuminao Doi, Taiga Ohara, Takahisa Ogamino, Takeshi Sugai, Keiko Higashinakasu, Kosumi Yamada, Hideyuki Shigemori, Koji Hasegawa, Shigeru Nishiyama

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)


In addition to (+)-, (-)- and (±)-heliannuol E, growth-inhibitory activities of five synthetic chromans and four tetrahydrobenzo[b]oxepins were examined against oat and cress. All heliannuol E isomers exhibited similar biological activities against cress, whereas when tested against oat roots, the unnatural optical isomer (+) showed no inhibitory activity. Four brominated chromans and two tetrahydrobenzo[b]oxepin derivatives also showed apparent inhibition against both cress and oat.

Original languageEnglish
Pages (from-to)1405-1411
Number of pages7
Issue number10
Publication statusPublished - 2004 May


  • Allelochemicals
  • Compositae
  • Heliannuol
  • Helianthus annuus L.
  • Plant-growth inhibition

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture


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