Structure of new bioactive triterpenes related to 22-β-hydroxy- tingenone

Haydee Chávez, Edwin Valdivia, Ana Estévez-Braun, Ángel G. Ravelo

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Nine new triterpenes were isolated from Mayternus amazonica. Their structures were determined by means of 1H and 13C NMR spectroscopic studies, including 1H-13C heteronuclear correlation (HETCOR), and long range correlation with inverse detection (HMBC). Some of them showed cytotoxic activity.

Original languageEnglish
Pages (from-to)13579-13590
Number of pages12
Issue number44
StatePublished - 29 Oct 1998
Externally publishedYes

Bibliographical note

Funding Information:
GobiemoA ut6nomod e Canarias( projectC AC246/125/96a)n d ITC. H.C. thanks the Agencia Espaftolad e Cooperaci6nIb eroamericanfao r a grant.B IOMAR S.A. (Dr. D. Gr/lvalosa ndDr. I. Raymundo)c arried out the antitumora nd the aldoser eductasea ssays.W e thank Prof. L Ruiz for gatheringo f the plant.


  • Biogenesis
  • Biologically active compounds
  • NMR
  • Terpenes and terpenoids


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