Summary
The incorporation of tyrosine-2-14C-15N into xanthocillin X (I) byPenicillium notatum Westling has been investigated showing that nitrogen of the isocyano groups originates from tyrosine, which is incorporated as C6-C2-N-unit.
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1. Mitteilung:H. Achenbach undH. Grisebach, Z. Naturforsch.20b, 137 (1965).
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Achenbach, H., König, F. Zur Biogenese des Xanthocillins, II1: Die Herkunft des Stickstoffs der Isonitril-Gruppen. Experientia 27, 1250–1251 (1971). https://doi.org/10.1007/BF02136667
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DOI: https://doi.org/10.1007/BF02136667