What is enol?

  • (noun): An organic compound that contains a hydroxyl group bonded to a carbon atom which in turn is doubly bonded to another carbon atom.


Enols (also known as alkenols) are alkenes with a hydroxyl group affixed to one of the carbon atoms composing the double bond. Alkenes with a hydroxyl group on both sides of the double bond are called enediols. Deprotonated anions of enols are called enolates. A reductone is a compound that has an enediol structure with an adjacent carbonyl-group.

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Some articles on enol:

Silyl Enol Ether - Organic Synthesis
... Trimethylsilyl enol ethers can be prepared from ketones in presence of a strong base and trimethylsilyl chloride or a weak base and trimethylsilyl triflate ... Silyl enol ether can form by capturing any enolate formed in a nucleophilic conjugate addition ... A rather exotic way to generate silyl enol ethers is via the Brook rearrangement of appropriate substrates ...