Английская Википедия:4-Pyrone
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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.[1]
Reactions
4-Pyrone and its derivatives react with amines in protic solvents to form 4-Pyridones.[1][2][3]
Derivatives
4-Pyrone forms the central core of several natural chemical compounds,[4] including maltol, meconic acid, kojic acid, and of the important class of the Flavones.
Файл:Maltol.svg Файл:KojicAcid.png Maltol Kojic acid
See also
References