enol

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enol

 [e´nol]
an organic compound in which one carbon of a double-bonded pair is also attached to a hydroxyl group, thus a tautomer of the ketone form. The term is also used as a prefix or infix, often italicized.

e·nol

(ē'nol),
A compound possessing a hydroxyl group (alcohol) attached to a doubly bonded (ethylenic) carbon atom (-CH=CH(OH)-); properly italicized when attached as a prefix or infix to an otherwise complete name, for example, enolpyruvate, phosphoenolpyruvate; usually in equilibrium with its keto tautomer.
[-ene + -ol]

enol

(e´nol) an organic compound in which one carbon of a double-bonded pair is also attached to a hydroxyl group, thus a tautomer of the ketone form; also used as a prefix or infix, often italicized.

enol

[ē′nol]
an organic compound with an alcohol or hydroxyl group directly attached (bonded) to a double bond. By transfer of the hydrogen atom from oxygen to carbon, the enol form becomes the (usually more stable) keto form. Such compounds usually exist as enol-keto tautomers.

e·nol

(ē'nol)
A compound possessing a hydroxyl group (alcohol) attached to a doubly bonded (ethylenic) carbon atom (-CH=CH(OH)-).
[-ene + -ol]

enol

one of two tautomeric forms of a substance, the other being the keto form; the enol is formed from the keto by migration of hydrogen from the adjacent carbon atom to the carbonyl group.
References in periodicals archive ?
Also, the oxidation of alkyl enolates using hindered salen-type catalysts with different oxidizing agents has been successfully applied in order to get [alpha]-hydroxy ketones (Fig.
In the area of methodology, the emphasis is on photocycloaddition-fragmentation reactions, new applications of the Diels-Alder reaction, development of synthetically useful phosphorus-containing reagents, chemical reactivity of Ce(III) enolates, and synthetic application of thiol esters.
This volume features a comprehensive treatment of transition metal (palladium, nickel, copper) catalyzed a-arylation of enolates derived from many common functional groups such as ketones, aldehydes, esters and nitriles (Prim, Marque, Gaucher, Campagne) including enantioselective variants; palladium catalyzed cyclization to form indoles (Cacchi, Fabrizi, Goggiamani) one of the most prevalent and important classes of heterocycles in natural products and pharmaceutical agents; and an overview of a newly developed dihydroxylation reaction of alkenes (Donohoe, Bataille, Innocenti) that uses hydrogen bonding interactions to direct the delivery of an osmium catalyst with high selectivity.