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α-Carbon Chemistry: Enols, Enolates, and Enamines
Enamine Reactions for Carbonyl Functionalization
Description
Enamine reactions can be used to make alpha-substituted ketones and aldehydes. This chemistry is known as the Stork enamine reaction, named after Gilbert Stork. It gives students a clear example of how a carbonyl compound can be modified at the alpha carbon, which is the carbon next to the carbonyl group.
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Transcript
A reação de enamina da cegonha gera carbonilas substituídas por α por meio de intermediários de enamina.
Nas enaminas, a conjugação entre o par solitário do nitrogênio e a ligação C = C leva à sua semelhança com os íons enolato, com ambos acomodando um nucleofílico α átomo de carbono.
Apesar disso, as enaminas são neutras e menos r...
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