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Polyketide origin of 3-alkylpyridines in the marine mollusc Haminoea orbignyana
Authors:Adele Cutignano
Institution:Istituto di Chimica Biomolecolare (ICB), CNR, Via Campi Flegrei 34, 80078 Pozzuoli, Napoli, Italy
Abstract:The paper reports the biosynthesis of the main alkylpyridine alkaloids, haminol-1 (1) and -2 (2), in the Mediterranean mollusc Haminoea orbignyana. Experiments were carried out by in vivo incorporation of 1,2- 13C2 acetate]. Data give full account for a polyketide origin of haminols in the Mediterranean molluscs, showing the biosynthesis of these 3-alkylpyridine alkaloids by elongation with acetate of a starter unit of nicotinic acid.
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