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Synthesen von Heterocyclen, 75. Mitt.: Über 4-Hydroxy-pyridone

Zusammenfassung

Primäre und sekundäre Enaminderivate, die aus β-Ketoestern und β-Diketonen darstellbar sind, reagieren mit Malonylchloriden bzw. Malonsäuren in Acetanhydrid zu 4-Hydroxypyridonen.

Abstract

Primary and secondary enamines readily obtained from β-ketoesters and β-diketones react with malonyl chlorides or malonic acids in acetic anhydride to yield derivatives of 4-hydroxy-2-pyridone.

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Ziegler, E., Hradetzky, F. & Belegratis, K. Synthesen von Heterocyclen, 75. Mitt.: Über 4-Hydroxy-pyridone. Monatshefte für Chemie 96, 1347–1351 (1965). https://doi.org/10.1007/BF00904285

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