Kaurane and trachylobane diterpenes from Xylopia aethiopica

George G. Harrigan, Vanderlan da S.Bolzani, A. A. Leslie Gunatilaka, David G.I. Kingston

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

Phytochemical investigation of Xylopia aethiopica (Annonaceae) has resulted in the isolation of two novel diterpenes, 15-oxo-(-)-trachyloban-19-oic acid and (-)-kaur-15-en-17-al-19-oic acid. Also encountered were the known compounds 15-hydroxy-(-)-trachyloban-19-oic acid, 15β-hydroxy-(-)-kaur-16-en-19-oic acid (as an inseperable mixture), 15-oxo-(-)-kaur-16-en-19-oic acid and sitosterol glucoside. 13C NMR assignments of 15-hydroxy-(-)- trachyloban-19-oic acid and the assignment of the configuration of its hydroxyl group at C-15 have been carried out for the first time.

Original languageEnglish (US)
Pages (from-to)109-113
Number of pages5
JournalPhytochemistry
Volume36
Issue number1
DOIs
StatePublished - May 1994
Externally publishedYes

Keywords

  • Annonaceae
  • Xylopia aethiopica
  • kaurane and trachylobane diterpenes
  • structure elucidation.

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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