Studies in the biosynthesis of fungal metabolites. 2. The biosynthesis of alternariol and its relation to other fungal phenols

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Abstract
The biosynthesis of alternariol, C14C10O5, a phenolic product of Alternaria tenuis has been studied. Chemical degradation of labelled alternariol derived from sodium [l-14C]acetate clearly demonstrated a biosynthetic mechanism involving the head-to-tail condensation of acetate units. A possible common precursor with other fungal phenols containing C14 skeletons is discussed.