2013-01-152013-01-152011-05OLIVEIRA, Marilene N. et al. Novel anthraquinone derivatives produced by Pestalotiopsis guepinii, an endophytic of the medicinal plant Virola michelii (Myristicaceae). Journal of the Brazilian Chemical Society. São Paulo, vol.22, n.5, p. 993-996, maio, 2011. Disponível em: <http://www.scielo.br/pdf/jbchs/v22n5/v22n5a25.pdf>. Acesso em 14 jan. 2013. <http://dx.doi.org/10.1590/S0103-50532011000500025>.0103-5053https://repositorio.ufpa.br/handle/2011/3316A new anthraquinone derivative, named guepinone (1), along with the known substances isosulochrin (2) and chloroisosulochrin (3), were isolated from a rice culture of Pestalotiopsis guepinii, an endophytic fungus of Virola michelii. The compounds were identified by analysis of 1D and 2D NMR and MS spectral data. The antimicrobial activity of these compounds was evaluated and chloroisosulchrin (3) was the most active.engAcesso AbertoFungo endofíticoAntraquinonasPestalotiopsis guepiniiVirola micheliiArtigo de Periódico