enol-keto tautomerism

enol-keto tautomerism

[¦ē·nȯl ¦kēd·ō tȯ′tä·mə‚riz·əm]
(organic chemistry)
The tautomeric migration of a hydrogen atom from an adjacent carbon atom to a carbonyl group of a keto compound to produce the enol form of the compound; the reverse process of hydrogen atom migration also occurs.