Carbonyl Compounds III

Slides:



Advertisements
Similar presentations
© 2011 Pearson Education, Inc. 1 Organic Chemistry 6 th Edition Paula Yurkanis Bruice Chapter 19 Carbonyl Compounds III Reactions at the  -Carbon.
Advertisements

Organic Chemistry, 6th Edition L. G. Wade, Jr.
Condensations and Alpha Substitutions of Carbonyl Compounds
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.
Intermolecular a-alkylation and acetoacetic and malonic ester
Chapter 23. Carbonyl Condensation Reactions
191 Chapter 21: Ester Enolates 21.1: Ester  Hydrogens and Their pK a ’s. The  -protons of esters are less acidic that ketones and aldehydes. Typical.
Carbanions II Carbanions as nucleophiles in S N 2 reactions with alkyl halides. a) Malonate synthesis of carboxylic acids b) Acetoacetate synthesis of.
1 Nucleophilic reactions involving enolate anions (2) Aldehydes, Ketons and other carbonyl compounds having H on α-C -> in equilibrium (in solution) ->
Keto-enol tautomerization enolization “normal” aldehydes and ketones K eq = ~
Chapter 11 Introduction to Organic Chemistry: Alkanes
Carbonyl Compounds III
Welcome to Chem 109C CLAS with Eric Engel
Ch 13 Carboxylic Acids, Esters, Amines and Amides
Carbonyl Compounds III: Chapter 13
Chapter 22. Carbonyl Alpha- Substitution Reactions Based on McMurry’s Organic Chemistry, 6 th edition.
WWU -- Chemistry Reactions of  Hydrogens: Condensation Reactions Chapter 21 These images should be printed in color, if possible, otherwise the images.
John E. McMurry Paul D. Adams University of Arkansas Chapter 23 Carbonyl Condensation Reactions.
Acidity of Carboxylic Acids Carboxylic acids are weakly acidic – One of their most important properties Acid-Base Properties of Carboxylic Acids.

Chapter 22 Carbonyl Alpha-Substitution Reactions
Dr. Wolf's CHM 201 &  -Halogenation of Carboxylic Acids: The Hell-Volhard-Zelinsky Reaction.
CH 23: Carbonyl Condensation Reactions
Created by Professor William Tam & Dr. Phillis Chang Ch Chapter 18 Reactions at the  Carbon of Carbonyl Compounds Enols and Enolates.
PROBLEMS CH 14. Learning Check Identify the following compounds as either an aldehyde or ketone. A. CH 3 —CH 2 —CH 2 —COH B. CH 3 —CH 2 —CO—CH 2 —CH 2.
Chapter 24 Carbonyl Condensation Reactions The Aldol Reaction In the aldol reaction, two molecules of an aldehyde or ketone react with each other.
Created by Professor William Tam & Dr. Phillis Chang Ch Chapter 18 Reactions at the  Carbon of Carbonyl Compounds Enols and Enolates.
Dr. Hayder kh. Q. Ali School of Bioprocess Engineer UniMAP.
Carbonyl Alpha-Substitution Reactions
Carbonyl Alpha-Substitution Reactions
Carbonyl Condensation Reactions
P. 696 I. Carbonyl  -Substitution using Enols 2. Reactions of Enols c.  -Halogenation of aldehydes and ketones d. The Hell-Volhard-Zolinskii reaction.
Introduction b-Dicarbonyl compounds have two carbonyl groups separated by a carbon Protons on the a-carbon of b-dicarbonyl compounds are acidic (pKa =
PROBLEMS CH 16. Learning Check Give the IUPAC and common names for the following. A. B. C.
18.16 Decarboxylation of Malonic Acid and Related Compounds
Enols and Enolates  Substitutions and Condensations of Ketones and Aldehydes.
Chapter 17 Aldehydes and Ketones II. Aldol Reactions
Please don’t do problem 31a, but please do problem 32c.
Examples: Aldehydes and ketones
Reduction of Aldehydes and Ketones Complete reduction of a carbonyl group to a methylene (-CH 2 -) group is possible by two different methods 1)Wolff-Kishner.
Chapter 12: Alcohols from Carbonyl Compounds CH 12-1 Alcohol RedOx Oxidation (loss of H) of alcohols to form carbonyls Reduction (gain of H) of carbonyls.
Chapter 22: Carbonyl Alpha-Substitution Reactions Why this Chapter? Many schemes make use of carbonyl  -substitution reactions. These reaction are one.
1 1). 2 2) 3) 3 Ag 2 O and NH 4 OH are the Tollens reagent 4) 5)
Chapter 22. Carbonyl Alpha-Substitution Reactions Based on McMurry’s Organic Chemistry, 6 th edition ©2003 Ronald Kluger Department of Chemistry University.
Addition and Condensation reactions of
Chapter 22: Carbonyl Alpha-Substitution Reactions
a-Halogenation of Carboxylic Acids
Objectives for Chapter 22
Objectives for Chapter 23
Klein, Organic Chemistry 1e
Chapter 16 Synthesis and Reactions of β- Dicarbonyl Compounds
Chapter 21 Ester Enolates
Chapter 20 Enolates / other Carbanions
Reactions of Enolate Anions: Enolates + Electrophiles II
Stabilized Carbanions with One -M (I)
Chapter 22 Carbonyl Alpha-Substitution Reactions
Chapter 19: Carboxylic Acids
CH 3-6: Acid/Base Exchange Reactions (Multistep Reactions)
Figure Number: 19-00CO Title: Acetyl-CoA
PROBLEMS CH 16.
Chapter 21 Ester Enolates
Organic Chemistry II Chapter 22 Carbonyl Alpha-Substitution Reactions
Extent of Enolization.
Chapter 13 Reactions at the α-Carbon of Carbonyl Compounds
Alpha Substitution Alpha substitution is the substitution of one of the hydrogens attached to the a carbon for an electrophile. The reaction occurs through.
Chapter 23 Substitution Reactions of Carbonyl Compounds
Qualitative Iodoform Test
TOPIC 6: ALDOL REACTIONS AND THE SYNTHESIS AND REACTIONS OF b-DICARBONYL COMPOUNDS (Chapters 17 and 19)
Carbonyl Compounds II Chapter 18.
Chapter 22 Carbonyl Alpha-Substitution Reactions
Presentation transcript:

Carbonyl Compounds III Chapter 19

Carbonyl Compounds III – ch. 19 1. Rank the following compounds in order of increasing pKa and draw the most likely enol tautomer.

Carbonyl Compounds III – ch. 19 2. NMR tests for the different types of hydrogen in a compound. Explain how the NMR of cyclohexanone changes after cyclohexanone is allowed to sit in a solution of basic D2O?

Carbonyl Compounds III – ch. 19 3. Predict the product for the following reactions.

Carbonyl Compounds III – ch. 19 4. Predict the product for the following reactions:

Carbonyl Compounds III – ch. 19 5. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 6. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 7. How would you prepare the following compounds from the given starting materials?

Carbonyl Compounds III – ch. 19 8. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 9. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 10. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 11. Predict the product for the following reactions:

Carbonyl Compounds III – ch. 19 12. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 13. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 14. Predict the product for the following reactions:

Carbonyl Compounds III – ch. 19 15. Predict the product for the following reactions:

Carbonyl Compounds III – ch. 19 16. Predict the product for the following reaction:

Carbonyl Compounds III – ch. 19 17. Predict the product for the following reactions:

Carbonyl Compounds III – ch. 19 18. Which of the following compounds would be expected to decarboxylate when heated. Draw the decarboxylated products if applicable.

Carbonyl Compounds III – ch. 19 19. Predict the products for the following reactions:

Carbonyl Compounds III – ch. 19 20. How would you prepare the following via malonic ester synthesis? a. 4-methylpentanoic acid b. 3-phenylpropanoic acid

Carbonyl Compounds III – ch. 19 21. Predict the products for the following reactions: