4-Pyrone ( -pyrone or pyran-4-one) is an unsaturated cyclic chemical compound with the molecular formula C₅H₄O₂. It is isomeric with 2-pyrone.

4-Pyrone forms the central core of several natural chemical compounds including maltol and kojic acid and of the important class of the Flavones.

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See also

• 4-pyridone

References