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A library of the enol and enolate mediated carbonyl compound reactions:

A library of the enol and enolate mediated carbonyl compound reactions:

A library of the enol and enolate mediated carbonyl compound reactions:. Intermolecular a -alkylation and acetoacetic and malonic ester synthesis via enolate anions Chapters 22 and 23. Intramolecular a -alkylation Favorskii rearrangement via enolate anions extra.

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Chapter 17 Aldehydes and Ketones II. Aldol Reactions

Chapter 17 Aldehydes and Ketones II. Aldol Reactions

Chapter 17 Aldehydes and Ketones II. Aldol Reactions. The Acidity of the a Hydrogens of Carbonyl Compounds: Enolate Anions Hydrogens on carbons a to carbonyls are unusually acidic The resulting anion is stabilized by resonance to the carbonyl.

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1.7. OXYGEN VERSUS CARBON AS THE SITE OF ALKYLATION

1.7. OXYGEN VERSUS CARBON AS THE SITE OF ALKYLATION

1.7. OXYGEN VERSUS CARBON AS THE SITE OF ALKYLATION. Enolate anions are ambident nucleophiles. Alkylation of an enolate can occur at either carbon or oxygen. Most of the negative charge of the enolate is on the oxygen atom, so it might be supposed that O-alkylation would dominate.

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Chapter 13 Substitution Alpha to Carbonyl Groups

Chapter 13 Substitution Alpha to Carbonyl Groups

Chapter 13 Substitution Alpha to Carbonyl Groups. Formation and Reactions of Enolate Anions and Enols Alkylation of Ketones and Esters: S N 2 Reaction with Alkyl Halides Aldol Reaction, Aldol Condensation and Related Reactions: Nucleophilic Addition of Enolate Anions to Carbonyl Groups

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355 views • 9 slides

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