'Claisen condensation' diaporamas de présentation

Keto-enol tautomerization

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Chapter 19

Chapter 19. Condensation and Conjugate Addition Reactions of Carbonyl Compounds More Chemistry of Enolates. https://www.concursolutions.com. Introduction. Carbonyl condensation reactions. Claisen condensation:. An a carbon anion (enolate) from one ester attacks the

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Reactions of Enols and Enolates

Reactions of Enols and Enolates. The Aldol Condensation Reaction. Ketone Enolate + Aldehyde. Intramolecular Aldol. Ester Enolate + Aldehyde. Ester Enolate + Ester = Claisen Condensation. Intramolecular Claisen Condensation = Dieckmann Condensation.

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Introduction to Organic Chemistry 2 ed William H. Brown

Introduction to Organic Chemistry 2 ed William H. Brown. Enolate Anions. Chapter 15. Chapter 14. Acidity of a -Hydrogens. Hydrogens alpha to a carbonyl group are more acidic than hydrogens of alkanes, but less acidic than the hydroxyl hydrogen of an alcohol. Acidity of a -Hydrogens.

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Carboxylic acids R-COOH

Carboxylic acids R-COOH. Nomenclature A) IUPAC - ???? ??? alkane ????? ??? e ???????? ?? oic acid . Alkane alkanoic acid ?? ?????? ????? -COOH ???? 1. B) Common name. - ???? ????? ?? ??????? ??????? ?????? ????????? ? ? ? ? ? ? ?. Nomeclature of some aromatic acids.

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Carbanions and Base-catalyzed Formation of Carbon-Carbon Bonds

Carbanions and Base-catalyzed Formation of Carbon-Carbon Bonds. Formation of carbon-carbon bond. 1. Free radical carbon. 2. Charged or polar carbon. shape of the carbanion. I. Formation and related principle of carbanion ( concepts and mechanisms) Review. conjugated with other

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Chemistry 231

Chemistry 231. Axial. Equatorial. Cyclobutane. Hydrogenation. H 2. Pt. Add H 2 across double bond. Iodoform Test. Reagent: NaOH and I 2 (NaOI). Bromine and Cyclohexene. Br 2. Br 2. E2 Reaction. Is a computer screen polarized?. Claisen Condensation. Acetoacetic Ester.

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Dieckmann Condensation Reaction

Dieckmann Condensation Reaction. Prepared by: Maram A. A. Amleh. Table of Contents. Cover Slide. Table of Content. Objectives. Background. Reaction and Mechanism. Applications. 8. Conclusion. 9. References. Objectives:. I prepared this reaction to

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Claisen Condensation

Claisen Condensation. Acetoacetic Ester. Hydrogenation. H 2. Pt. Add H 2 across double bond. Iodoform Test. Reagent: NaOH and I 2 (NaOI). Bromine and Cyclohexene. Br 2. Br 2. E2 Reaction. Is a computer screen polarized?.

398 views • 9 slides