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Journal of the Mexican Chemical Society
versão impressa ISSN 1870-249X
Resumo
AMBROZIN, Alessandra R. P. et al. New Pyrone and Quinoline Alkaloid from Almeidea rubra and their Trypanocidal Activity. J. Mex. Chem. Soc [online]. 2005, vol.49, n.2, pp.196-201. ISSN 1870-249X.
The investigation of the ethyl acetate fraction of methanol extract from leaves of Almeidea rubra A. St.-Hil. (Rutaceae) afforded two new compounds 4-methoxy-6-[2-(methylamino)phenyl]-2H-pyran-2-oneand rel-(7R,8R)-8-[(E)-3-hydroxy-3-methyl-1-butenyl]-4,8-dimethoxy-5,6,7,8-tetrahydrofuro[2,3-b]quinoline-7-yl acetate, along with the known compounds arborinine, N-methyl-1-hydroxy-3-methoxyacridone, skimmianine, kokusagine, isodutaduprine, isoskimmianine, and isokokusagine. Their structures were established based on their spectral data, and for the new compounds these data are described herein. Additionally, these compounds were assayed on the tripomastigote forms of Trypanosoma cruzi showing moderate trypanocidal activity.
Palavras-chave : Almeidea rubra; Rutaceae; alkaloids; trypanocidal activity.