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(4S)-4,8-dihydroxy-1-tetralone and other chemical constituents from Pestalotiopsis sp. EJC07, endophytic fromBauhinia guianensis Anais da ABC (AABC)
Souza,Eleane M.C. de; Silva,Ellon L. Da; Marinho,Andrey M.R.; Marinho,Patrícia S.B..
The present work reports the isolation of eight compounds fromPestalotiopsis sp. EJC07 isolated as endophytic fromBauhinia guianensis, a tipical plant of the Amazon. The compounds (4S)-4,8-dihydroxy-1-tetralone (1), uracil (2), uridin (3), p-hydroxybenzoic acid (4), ergosterol (5), ergosterol peroxide (6), cerevisterol (7) and ducitol (8) were isolated by chromatographic procedures and identified by spectral methods of 1D and 2D NMR and MS. The compound 1 is being reported for the first time in the genusPestalotiopsis.
Tipo: Info:eu-repo/semantics/article Palavras-chave: B. guianensis; Endophityc fungus; Pestalotiopsis; Tetralone.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000100029
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Chemical constituents of Aspergillus sp EJC08 isolated as endophyte from Bauhinia guianensis and their antimicrobial activity Anais da ABC (AABC)
Pinheiro,Eduardo A.A.; Carvalho,Josiwander M.; Santos,Diellem C.P. dos; Feitosa,André O.; Marinho,Patrícia S.B.; Guilhon,Giselle Maria S.P.; Santos,Lourivaldo S.; Souza,Afonso L.D. de; Marinho,Andrey M.R..
The present work reports the isolation of five compounds from Aspergillus sp EJC08 isolated as endophytic from Bauhinia guianensis, a tipical plant of the Amazon. The compounds ergosterol (1), ergosterol peroxide (2), mevalolactone (3), monomethylsulochrin (4) and trypacidin A (5) were isolated by chromatographic procedures and identified by spectral methods of 1D and 2D NMR and MS. Compounds 3, 4 and 5 were tested against Escherichia coli, Pseudomonas aeruginosa, Bacillus subtilis and Staphylococcus aureus and showed good activity.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Chemical constituents; Antimicrobial assay; Aspergillus; Bauhinia guianensis.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000401247
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