13C NMR Spectra of some D:A-friedo-oleananes

A. A. Leslie Gunatilaka, N. Dhammika Nanayakkara, Mohammed I.M. Wazeer

Research output: Contribution to journalArticlepeer-review

33 Scopus citations

Abstract

The 13C NMR signals of D:A-friedo-olean-7-one, putranjivadione, D:A-friedo-olean-22-one, D:A-friedo-olean-3,22-dione, and Salacia triterpene R have been assigned using off-resonance decoupling and lanthanide induced shift techniques. 13C NMR data provide further evidence for the boat-boat conformation for the D and E rings of D:A-friedo-oleananes in solution.

Original languageEnglish (US)
Pages (from-to)991-992
Number of pages2
JournalPhytochemistry
Volume22
Issue number4
DOIs
StatePublished - 1983
Externally publishedYes

Keywords

  • C NMR analysis
  • D:A-Friedo-oleananes
  • D:A-friedo-olean-22-one
  • D:A-friedo-olean-3,22-dione
  • D:A-friedo-olean-7-one
  • Salacia triterpene R
  • friedelin
  • putranjivadione

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Plant Science
  • Horticulture

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