N alpha-dimethylcoprogens. Three novel trihydroxamate siderophores from pathogenic fungi
- PMID: 2978957
- DOI: 10.1007/BF01128011
N alpha-dimethylcoprogens. Three novel trihydroxamate siderophores from pathogenic fungi
Abstract
Three novel siderophores have been isolated from a highly pathogenic strain of Alternaria longipes (ATCC 26293). The compounds are N alpha-dimethylated analogs of coprogen, neocoprogen I and isoneocoprogen I. Structures of the compounds have been determined by 1H- and 13C-NMR, fast-atom-bombardment (FAB) mass spectroscopy and partial hydrolysis. One of the new compounds, N alpha-dimethylcoprogen, is also produced, as the major siderophore, in another fungus, Fusarium dimerum.
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