Diketopiperazines produced by an Aspergillus fumigatus Brazilian strain

AUTOR(ES)

Furtado, Niege A. J. C., Pupo, Mônica T., Carvalho, Ivone, Campo, Vanessa L., Duarte, Marta Cristina T., Bastos, Jairo K.

FONTE

Journal of the Brazilian Chemical Society

DATA DE PUBLICAÇÃO

2005-11

RESUMO

Sete dicetopiperazinas, correspondentes aos ciclos (L)-Pro-(L)-Phe, (L)-Pro-Gly, (L)-Pro-(L)-Pro, (L)-Pro-(L)-Val, (L)-4-OH-Pro-(L)-Leu, (L)-4-OH-Pro-(L)-Phe e (L)-Pro-(L)-Leu, foram isoladas do caldo da cultura do fungo Aspergillus fumigatus. As estereoquímicas relativas e absolutas foram determinadas, respectivamente, com base nos experimentos de NOESY e através de modificação do método de Marfey em CLAE.

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