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Revista Colombiana de Química
versão impressa ISSN 0120-2804
Resumo
ALBARRACIN, Lady T. et al. Aporphine alkaloids with antitubercular activity isolated from Ocotea discolor Kunth (Lauraceae). Rev.Colomb.Quim. [online]. 2017, vol.46, n.3, pp.22-27. ISSN 0120-2804. https://doi.org/10.15446/rev.colomb.quim.v46n3.62963.
Tuberculosis disease causes thousands of deaths worldwide and, currently, the used drugs are either not enough or obsolete for its treatment Therefore, new compounds that combat this disease are been seek Thus, the antituberculosis activity of the alkaloids ocoxilonine (1), ocoteine (2), dicentrine (3) and 1,2-methylenedioxy-3,10,11-trimethoxy aporphine (4), isolated from Ocotea discolor wood was evaluated Their structures were identified by analysis of nuclear magnetic resonance spectroscopic data (NMR 1D - 1H, 13C, 2D - COSY, HSQC and HMBC), mass spectra, and comparison with literature data All the isolated compounds showed antituberculosis activity, with a variation range in the minimum inhibitory concentration between 140 to 310 μM, being ocoteine (2) the most active compound against the virulent strain Mycobacterium tuberculosis H37Rv.
Palavras-chave : Mycobacterium tuberculosis; spectroscopic data; Ocotein.