Further farnesyl-homogentisic acid derivatives from Otoba parvifolia

A. Gilberto Ferreira, João B. Fernandes, Paulo C. Vieira, Otto R. Gottlieb, Hugo E. Gottlieb

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The seeds of Otoba parvifolia contain three novel compounds apparently derived from homogentisic acid, rel-(1′R,5′R)-2-(1′-farnesyl-5′-hydroxy-2′-oxocyclohex-3′-en-1′-yl)-acetic acid and its acetate as well as rel-(1′R,4′S,5′R)-2-(1′-farnesyl-4′,5′-dihydroxy-2′-oxocyclohexan-1′-yl)-acetic acid δ-lactone. The structure of an additional isolate, previously described as 2-(1′-farnesyl-2′-hydroxy-5′-oxocyclohex-3′-en-1′-yl)-acetic acid γ-lactone was revised to rel-(1′R,5′R)-2-(1′-farnesyl-5′-hydroxy-2′-oxocyclohex-3′-en-1′-yl)-acetic acid δ-lactone.

Original languageEnglish
Pages (from-to)1723-1728
Number of pages6
JournalPhytochemistry
Volume40
Issue number6
DOIs
StatePublished - Dec 1995

Bibliographical note

Funding Information:
Acknowledgements-The authors are grateful to CNPq and FAPESP for financial support and to the authors of ref. [S] for the unpublished spectral data for compound

Keywords

  • Myristicaceae
  • Otoba parvifolia
  • dihydroxy-oxocyclohexanylacetic acid δ-lactone
  • farnesyl derivatives
  • homogentisic acid pathway
  • oxocyclohexenylacetic acids

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