Dictyosphaeric acids A and B: new decalactones from an undescribed Penicillium sp. obtained from the alga Dictyosphaeria versluyii |
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| Authors: | Bugni Tim S Janso Jeffrey E Williamson R Thomas Feng Xidong Bernan Valerie S Greenstein Michael Carter Guy T Maiese William M Ireland Chris M |
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| Affiliation: | Department of Medicinal Chemistry, University of Utah, Salt Lake City, Utah 84112, USA. |
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| Abstract: | Fungal isolate F01V25 was obtained from the alga Dictyosphaeria versluyii collected near Dravuni, Fiji, in 2001 and represented a previously undescribed Penicillium sp. Fermentation of isolate F01V25 resulted in the production of two new polyketides, dictyosphaeric acids A and B, along with the known anthraquinone carviolin. The relative stereochemistry of dictyosphaeric acids A and B was determined using the J-based configuration analysis method in conjunction with ROE and NOE correlations. |
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