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Enone
Introduction
An enone is an unsaturated chemical compound or functional group consisting of a conjugated system of an alkene and a ketone. The simplest enone is methyl vinyl ketone (MVK) or CH2=CHCOCH3.
As an example, an enone such as a chalcone can be synthesized in a Knoevenagel condensation. In the Meyer-Schuster rearrangement the starting compound is a propargyl alcohol.
An enone is a reactant in the Nazarov cyclization reaction and in the Rauhut-Currier reaction (dimerization).
Related compounds
Enone is not to be confused with Ketene (R2C=C=O). An enamine is a cousin of an enone, with the carbonyl replaced by an amine group. An enal is the corresponding α,β-unsaturated aldehyde