Resumo

CHAVARRIA, Max; CASTRO, Victor; POVEDA, Luis  e  MURILLO, Renato. Cuatro compuestos nuevos del extracto no polar de la planta Amyris brenesii (Rutaceae) de Costa Rica. Rev. biol. trop [online]. 2008, vol.56, n.3, pp.1043-1051. ISSN 0034-7744.

Four new compounds from the non-polar extract of the plant Amyris brenesii (Rutaceae) from Costa Rica. Fractionation of a non polar extract of the aerial parts of Amyris brenesii collected in Río Cuarto, Grecia, Costa Rica has resulted in the isolation of four new compounds, 6-hidroxy-6-O-(3-hidroxymethyl-3methylalyl)-angelicin 1, 6-(N-acetyl-2-etanamin)-2,2-dimethyl-2H-cromen 2, the lignan 2,5-dehidrohinokinin 3 and N-acetyl-O-(geranyl)-tiramine 4. In addition, we isolated six previously known compounds: the lignans hinokinin 5 and Justicidin E 6, the coumarins scopoletin 7 and marmesin 8, 24-moretenoic acid 9, and the nitrogen compound O-(3,3-dimethylalyl)-halfordinol 10. All the separations were done with chromatographic techniques and the structures were elucidated by using 1D and 2D NMR techniques. Rev. Biol. Trop. 56 (3): 1043-1052. Epub 2008 September 30.

Palavras-chave : Rutaceae; Amyris; brenesii; lignans; furocoumarin; cromen.

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