Class Notes (835,304)
United States (324,088)
Chemistry (249)
CHEM 343 (20)
Yian Shi (16)
Lecture

Keto-enol tautomerism, reactivity considerations

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Department
Chemistry
Course
CHEM 343
Professor
Yian Shi
Semester
Spring

Description
27 FebruaryKetoEnol TautomerismTautomerstwo constitutional isomers differing in the location of a double bond and a hydrogenFor most ketones the enol tautomer is much less stable than the keto tautomerThe fraction of enol tautomer is considerably greater for a diketone because its enol tautomer is stabilized by hydrogen bonding and by conjugation of the carboncarbon double bond with the second carbonyl groupThe interconvesion of the tautomers can be catalyze by either acids or basesBasecatalyzed ketoenol interconversio
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