作者: Simon P. B. Ovenden , Gian Sberna , R. Murray Tait , Howard G. Wildman , Rupal Patel
DOI: 10.1021/NP0497494
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摘要: The new diketopiperazine dimer 1, as well the known compounds TMC-256A1 (2), TMC-256C1 (3), and demethylkotanin (4), were isolated from a culture of Aspergillus niger. gross structure 1 was determined by 2D NMR studies comparison with literature data, absolute stereochemistry elucidated chiral HPLC analysis hydrolysis products.