Journal
PHYTOCHEMISTRY
Volume 68, Issue 8, Pages 1212-1218Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.phytochem.2007.01.020
Keywords
Massarina; marine-derived fungi; secondary metabolites; spiromassaritone; spirolactones; X-ray structure analysis
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Funding
- NCI NIH HHS [R37 CA044848, CA44848, R37 CA044848-20, R01 CA044848] Funding Source: Medline
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Chemical investigation of the culture broth extracts of the marine-derived fungus Massarina sp. (strain CNT-016) has yielded two secondary metabolites, spiromassaritone. (1) and massariphenone (2), as well as the previously reported fungal metabolites 6-epi-5'-hydroxy-mycosporulone (3) and enalin A (4). The structures of these compounds were established by a variety of one- and two-dimensional NMR experiments, while the relative configuration of spiromassaritone (1) was determined by X-ray crystallographic methods. The fungal strain was isolated as a sterile mycelium from an ocean mud sample and identified using ITS sequence analysis. (c) 2007 Elsevier Ltd. All rights reserved.
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