A new diketopiperazine alkaloid isolated from an algicolous Aspergillus flavus strain

Lin, A.; Fang, Y.; Zhu, T.; Gu, Q.; Zhu, W.

Die Pharmazie 63(4): 323-325

2008


ISSN/ISBN: 0031-7144
PMID: 18468397
Document Number: 621095
A new diketopiperazine alkaloid containing the uncommon amino acid L-7, 9-dihydroxy-8-methoxyphenylalanine (1), has been isolated from the algicolous Aspergillus flavus strain. The structure of 1 including the absolute stereochemistry was determined by spectroscopic data and chemical means. Compound 1 showed weak cytotoxicity against HL-60 cell lines with an IC50 value of 36.5 microg/ml.

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