Chapter 21 November 9 - Reactions of Esters (cont'd) Esters...

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1 Preparation of Esters: Reaction Summary:
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2 Acyclic and Cyclic Esters: Reactions of Esters Hydrolysis:
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3 Reactions of Esters (cont'd) Hydrolysis: Base Catalyzed Mechanism
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4 Hydrolysis: Acid Catalyzed Mechanism Reactions of Esters (cont'd)
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5 Aminolysis: Reactions of Esters (cont'd) Reduction: Not often used in preference to acid chloride formation of amides LiAlH 4 produces 1 o alcohols DIBAH (aka DIBAL) produces aldehydes Mechanism:
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6 Alkylation Via Grignard Reagents:
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Unformatted text preview: Reactions of Esters (cont'd) Esters produce 3 o alcohols 7 Preparation of Amides Reactions of Amides Hydrolysis: Extremely stable (much less reactive than other carboxylic acid derivatives) Conditions for successful hydrolysis are much harsher than for other acid derivatives 8 Reaction of Amides Hydrolysis Mechanism: Acid Catalyzed Hydrolysis Mechanism: Base Catalyzed...
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Chapter 21 November 9 - Reactions of Esters (cont'd) Esters...

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