Canthinones from Simaba cuspidata

A. M. Giesbrecht, H. E. Gottlieb, O. R. Gottlieb, M. O.F. Goulart, R. A.De Lima, A. E.G. Sant'ana

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29 Scopus citations

Abstract

Two new alkaloids, 8-methoxycanthin-6-one and 3-methoxycanthin-2,6-dione, were isolated from the EtOH extract of the bark of Simaba cuspidata Spruce ex Engl. Elucidation of the structure of the latter compound included 13C NMR spectral comparison with 2-methoxypyridine-N-oxide and N-methoxy-2-pyridone.

Original languageEnglish
Pages (from-to)313-315
Number of pages3
JournalPhytochemistry
Volume19
Issue number2
DOIs
StatePublished - 1980
Externally publishedYes

Bibliographical note

Funding Information:
Acknowledgements-The authors are indebted to Conselho National de Desenvolvimento Cientffico e Tecnoldgico and to FundasH de Amparo a Pesquisa do Estado de ?ZIO Paulo for financial support and to Dr. P. M. Baker, NPPN, Univer-sidade Federal do Rio de Janeiro, for the HRMS.

Funding

Acknowledgements-The authors are indebted to Conselho National de Desenvolvimento Cientffico e Tecnoldgico and to FundasH de Amparo a Pesquisa do Estado de ?ZIO Paulo for financial support and to Dr. P. M. Baker, NPPN, Univer-sidade Federal do Rio de Janeiro, for the HRMS.

FundersFunder number
Univer-sidade Federal do Rio de Janeiro

    Keywords

    • 3-methoxycanthin-2,6-dione.
    • 8-methoxycanthin-6-one
    • Simaba cuspidata
    • Simaroubaceae
    • canthinone alkaloids

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