Abstract
Fractionation of a non polar extract of the aerial parts of Amyris brenesii collected in Rio Cuarto, Grecia, Costa Rica has resulted in the isolation of four new compounds, 6-hidroxy-6-O-(3-hidroxymethyl-3-methylalyl)-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.
Highlights
La familia Rutaceae comprende a nivel mundial unos 150 géneros y alrededor de 900 especies distribuidas principalmente por los trópicos y regiones templadas, particularmente en África del Sur y Australia
Fractionation of a non polar extract of the aerial parts of Amyris brenesii collected in Río Cuarto
Costa Rica has resulted in the isolation of four new compounds
Summary
La familia Rutaceae comprende a nivel mundial unos 150 géneros y alrededor de 900 especies distribuidas principalmente por los trópicos y regiones templadas, particularmente en África del Sur y Australia. La fracción Fr261 se separó en TLC2 con CHCl3:benceno 8:2 obteniéndose el compuesto 5. La fracción Fr265 se separó en TLC1 con benceno: CH2Cl2:éter etílico 4,5:4,5:1 obteniéndose el compuesto 9 de forma pura.
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