Three metabolites, named xyloketal J (1), xyloester A (2), and xyloallenolide B (3), together with the known substituted dihydrobenzofuran (4) were isolated from the mangrove endophytic fungus Xylaria sp. (#2508). Structures were determined by spectroscopic methods, mainly 1D and 2D NMR.
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Xu et al. (2008) studied this question.
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