Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica

A. A. Leslie Gunatilaka, N. P. Dhammika Nanayakkara, M. Uvais, S. Sultanbawa, Sinnathamby Balasubramaniam

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Three triterpenes obtained from the inner bark of Kokoona zeylanica have been identified as friedelin, D:A-friedo-olean-3, 21-dione and 21α-hydroxy- D:A-friedo-olean-3-one by spectroscopic properties and chemical interconversions. Their chemotaxonomic significance is emphasized.

Original languageEnglish (US)
Pages (from-to)2061-2063
Number of pages3
Issue number8
StatePublished - 1982
Externally publishedYes


  • 21α-hydroxy-D:A-friedo-olean-3-one
  • Celastraceae
  • D:A-friedo-olean-3, 21-dione
  • Kokoona zeylanica
  • chemotaxonomy.
  • friedelin
  • structure elucidation
  • triterpenoids

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

Fingerprint Dive into the research topics of 'Friedelin, D:A-friedo-olean-3,21-dione and 21α-hydroxy-D:A-friedo-olean-3-one from Kokoona zeylanica'. Together they form a unique fingerprint.

Cite this