Metabolites of the higher fungi. Part 22. 2-Butyl-3-methylsuccinic acid and 2-hexylidene-3-methylsuccinic acid from xylariaceous fungi
Abstract
2-Butyl-3-methylsuccinic acid has been isolated from the culture medium of Hypoxylon illitum. 2-Hexylidene-3-methylsuccinic acid is the major metabolite produced by Poronia piliformis, H. deustum, and four Xylaria species. Methods for the synthesis of the diacids are examined.
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