How to find which compound is having greater enol percentage? OR factors on which enol %age depends??

Dear Karan,

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.

The C=C double bond with adjacent alcohol gives enols and enediols their chemical characteristics, by which they present keto-enol tautomerism. In keto-enol tautomerism, enols interconvert with ketones or aldehydes.

The words enol and alkenol are portmanteaus of the words "alkene" (or just -ene, the suffix given to C=C double bonded alkenes) and "alcohol" (which represents the enol''s hydroxyl group).

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Aman Bansal

Askiitian Expert

In most of the cases if enol is stabilised by hydrogen bonding enol% is greater, otherwise keto% is greater