Annularins I and J: New Metabolites Isolated from Endophytic Fungus Exserohilum rostratum
AUTOR(ES)
Pinheiro, Eduardo A. A., Borges, Fabio C., Pina, Jeferson R. S., Ferreira, Leila R. S., Cordeiro, Jorgeffson S., Carvalho, Josiwander M., Feitosa, André O., Campos, Francinete R., Barison, Andersson, Souza, Afonso D. L., Marinho, Patrícia S. B., Marinho, Andrey M. R.
FONTE
J. Braz. Chem. Soc.
DATA DE PUBLICAÇÃO
2016-08
RESUMO
The paper describes the isolation of ergosterol peroxide, monocerin, annularin I and annularin J compounds of Exserohilum rostratum biomass extracts. Compounds were isolated by silica gel column chromatography in polarity gradient and the structures were determined by nuclear magnetic resonance (NMR) and mass spectrometry (MS) methods. Monocerin, annularin I and annularin J compounds were tested against Escherichia coli, Pseudomonas aeruginosa and Bacillus subtilis bacteria and showed moderate activity. Annularin I and annularin J compounds are new natural products.
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