Stereostructure of curlone, a sesquiterpenoid of Curcuma longa rhizomes

Yoshinobu Kiso, Yuriko Suzuki, Yoshiteru Oshima, Hiroshi Hikino

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)


From the crude drug 'ukon' (turmeric) (obtained from the rhizomes of Curcuma longa) a new sesquiterpenoid, curlone, has been isolated and shown as (6S)-2-methyl-6-[(1S)-4-methylene-2-cyclohexen-1-yl]-2-hepten-4-one on the basis of its spectral properties and its chemical conversion to the known (+)-ar-turmerone.

Original languageEnglish
Pages (from-to)596-597
Number of pages2
Issue number2
Publication statusPublished - 1983 Jan 1


  • (6S)-2-methyl-6-[(1S)-4-methylene-2-cyclohexen-1-yl]-2-hepten-4-one
  • Curcuma longa
  • Zingiberaceae
  • bisabolane skeleton
  • curlone
  • sesquiterpenoid

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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