New antifungal metabolites from the coprophilous fungus Cercophorasordarioides
1997
A chemical investigation of the coprophilous fungus Cercophorasordarioides has led to the isolation of arthrinone (1), a known fungal metabolite, and three new related compounds: 1-dehydroxyarthrinone (2), 3a,9a-deoxy-3a-hydroxy-1-dehydroxyarthrinone (3), and cerdarin (4). These metabolites were obtained from antifungal ethyl acetate extracts of liquid cultures of C. sordarioides through bioassay-guided fractionation, and their structures were assigned on the basis of 1D-NMR, HMQC, and HMBC results. Compounds 2 and 4 exhibited anti-Candida activity. Key words: antifungal, fungal metabolite, natural product, Cercophorasordarioides.
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