期刊
JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY
卷 16, 期 6B, 页码 1448-1453出版社
SOC BRASILEIRA QUIMICA
DOI: 10.1590/S0103-50532005000800026
关键词
diketopiperazines; Aspergillus fumigatus; absolute stereochemistry
Seven diketopiperazines, corresponding to the cyclos (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, and (L)-Pro-(L)-Leu, were isolated from the Aspergillus fumigatus fermentation broth. The relative and absolute stereochemistries were determined on the basis of NOESY experiments and by using a modified version of Marfey's method using HPLC, respectively.
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