4-Pyrone
4-Pyrone (γ-pyrone or pyran-4-one) is an unsaturated cyclic chemical compound with the molecular formula C5H4O2. It is isomeric with 2-pyrone. Preparation
4-Pyrone is prepared via the thermal decarboxylation of chelidonic acid. Reactions
4-Pyrone and its derivatives react with amines in protic solvents to form 4-Pyridones. Derivatives
4-Pyrone forms the central core of several natural chemical compounds, including maltol, meconic acid, kojic acid, and of the important class of the Flavones. {| class="wikitable"
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See also
 Pyrone
 4-Pyridone
 Dehydroacetic acid

References