Three new natural cyclopentenedione derivatives from Piper carniconnectivum

Journal of the Brazilian Chemical Society

Valdir A Facundo²  Amanda L Sá²  Silane A. F Silva²  Selene M Morais¹  Carlos R. R Matos¹  Raimundo Braz-filho¹ 

[1] ,Universidade Federal de Rondônia Departamento de Química Porto Velho RO ,Brazil

关键词: Piper carniconnectivum;    Piperaceae;    cyclopentenedione derivatives;    xanthyletin;   

DOI  :  10.1590/S0103-50532004000100022

来源: SciELO

【 摘 要 】

Three new natural cyclopentenedione derivatives (1-3) and the known coumarin xanthyletin (4) were isolated from the roots of Piper carniconnectivum. The structures were established by spectroscopic data, mainly 1D and 2D NMR and EIMS.

【 授权许可】

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