Terpenoid and biflavonoid constituents of Calophyllum calaba and Garcinia spicata from Sri Lanka

A. A.Leslie Gunatilaka, A. M.Y.Jasmin De Silva, Subramaniam Sotheeswaran, Sinnathamby Balasubramaniam, Mohamed I.M. Wazeer

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

A new bark acid, isochapelieric acid (cis-chapelieric acid), chapelieric acid, friedelin, friedelan-3β-ol, canophyllal, canophyllol, friedelan-3β,28-diol, canophyllic acid and amentoflavone have been isolated and characterized from leaf extractives of Calophyllum calaba. 13CNMR spectra of methyl chapelierate and methyl isochapelierate have been recorded and interpreted. Leaf extractives of Garcinia spicata afforded an unidentified long chain carboxylic acid, friedelin, friedelan-3β-ol, sitosterol and the biflavanones GB-1, GB-1a, GB-2a and morelloflavone. Chemotaxonomic significance of the occurrence of some of the above foliar constituents in Calophyllum and Garcinia species is discussed.

Original languageEnglish (US)
Pages (from-to)323-328
Number of pages6
JournalPhytochemistry
Volume23
Issue number2
DOIs
StatePublished - 1984
Externally publishedYes

Keywords

  • Calophyllum calaba
  • Garcinia spicata
  • Guttiferae
  • bark acids
  • biflavanones
  • canophyllal
  • canophyllic acid
  • canophyllol
  • chapelieric acid
  • chemotaxonomy.
  • foliar constituents
  • friedelan-3β,28-diol
  • friedelan-3β-ol
  • friedelin
  • isochapelieric acid
  • sitosterol

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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