Evidence is presented that the first step of the biosynthesis of ascochitine (1), a metabolite of Ascochyta fabae Speg., involves methylation of a hexaketide, followed by cyclization, reduction to the aldehyde, dehydration, and eventually oxidation of the methyl group at C(7) to a carboxy group.
L. Colombo, C. Gennari, C. Scolastico, F. Aragozzini and C. Merendi, J. Chem. Soc., Chem. Commun., 1979, 492 DOI: 10.1039/C39790000492
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