Abstract
Three polyketides containing a pyrone ring, neofusapyrone, fusapyrone, and deoxyfusapyrone, were isolated from the marine-derived fungus Fusarium sp. FH-146. Their structures were determined by extensive ID- and 2D-NMR and MS spectral analyses. Fusapyrone and deoxyfusapyrone were originally reported as a-pyrone derivatives; however, the revised structures indicate that they are gamma-pyrone derivatives. These three compounds exhibited antimicrobial activities.
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