Textbook Question
What products would you expect to obtain from the following reactions?
a. malonic acid + 2 acetyl chloride
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Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
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Table of contents
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 1)31
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding (Part 2)65
- Ch. 2 - Acids and Bases: Central to Understanding Organic Chemistry84
- Ch. 3 - An Introduction to Organic Compounds:Nomenclature, Physical Properties, and Structure183
- Ch. 4 - Isomers: The Arrangement of Atoms in Space121
- Ch. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and Kinetics83
- Ch. 6 - The Reactions of Alkenes • The Stereochemistry of Addition Reactions175
- Ch. 7 - The Reactions of Alkynes • An Introduction to Multistep Synthesis119
- Ch. 8 - Delocalized Electrons: Their Effect on Stability, pKa, and the Products of a Reaction • Aromaticity and Electronic Effects: An Introduction to the Reactions of Benzene148
- Ch. 9 - Substitution and Elimination Reactions of Alkyl Halides212
- Ch. 10 - Reactions of Alcohols, Ethers, Epoxides, Amines, and Sulfur-Containing Compounds131
- Ch. 11 - Organometallic Compounds60
- Ch. 12 - Radicals90
- Ch. 13 - Mass Spectrometry; Infrared Spectroscopy; UV/Vis Spectroscopy62
- Ch. 14 - NMR Spectroscopy95
- Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives123
- Ch. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid Derivatives141
- Ch. 17 - Reactions at the Alpha-Carbon101
- Ch. 18 - Reactions of Benzene and Substituted Benzenes144
- Ch. 19 - More About Amines • Reactions of Heterocyclic Compounds49
- Ch. 20 - The Organic Chemistry of Carbohydrates80
- Ch. 21 - Amino Acids, Peptides, and Proteins57
- Ch. 22 - Catalysis in Organic Reactions and in Enzymatic Reactions35
- Ch. 23 - The Organic Chemistry of the Coenzymes—Compounds Derived from Vitamins1
- Ch. 28 - Pericyclic Reactions58
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Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblem 59c,d
Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblem 59c,dChapter 16, Problem 59c,d
What products would you expect to obtain from the following reactions?
c. urea + water
d. β-ethylglutaric acid + acetyl chloride + Δ
Verified step by step guidance1
Step 1: Analyze the reaction between urea and water. Urea is a compound with the formula (NH2)2CO, containing two amine groups and a carbonyl group. Water (H2O) can act as a reactant in hydrolysis reactions.
Step 2: Recognize that hydrolysis of urea typically involves breaking the C-N bonds adjacent to the carbonyl group. This reaction is catalyzed by enzymes like urease in biological systems, but under chemical conditions, it can proceed with heat or acid/base catalysis.
Step 3: Predict the products of hydrolysis. The carbonyl group reacts with water, leading to the formation of carbon dioxide (CO2) and ammonia (NH3). This is a decomposition reaction.
Step 4: Write the balanced chemical equation for the reaction. The hydrolysis of urea can be represented as:
Step 5: For part d, analyze the reaction between beta-ethylglutaric acid, acetyl chloride, and heat (Δ). This reaction likely involves acylation or condensation. Beta-ethylglutaric acid has two carboxylic acid groups and a beta-ethyl substituent. Acetyl chloride is a reactive acylating agent. Heat promotes the formation of an anhydride or ester. Predict the product based on the functional groups involved and write the mechanism for the reaction.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Hydrolysis of Urea
Hydrolysis of urea involves the reaction of urea with water, typically catalyzed by an acid or base. This reaction leads to the formation of ammonia and carbon dioxide. Understanding this process is crucial for predicting the products of the reaction, as it illustrates how urea can break down in the presence of water.
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Acid-Catalyzed Reactions
Acid-catalyzed reactions involve the use of an acid to increase the rate of a chemical reaction. In the context of ester hydrolysis, the acid donates protons, facilitating the breakdown of esters into their corresponding alcohols and acids. Recognizing the role of acid in these reactions is essential for understanding the mechanisms and products formed.
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Acyl Chlorides and Their Reactivity
Acyl chlorides are highly reactive compounds that can undergo various reactions, including acylation and hydrolysis. When reacted with carboxylic acids or alcohols, they typically yield esters. Understanding the reactivity of acyl chlorides is important for predicting the products of the reaction involving beta-ethylglutaric acid and acetyl chloride.
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01:57Recognizing acyl chlorides and anhydrides.
Related Practice
Textbook Question
What reagents would you use to convert methyl propanoate to the following compounds?
c. N-ethylpropanamide
d. propanoic acid
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Textbook Question
What products would you expect to obtain from the following reactions?
b. methyl carbamate + methylamine
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Textbook Question
a. Which of the following reactions does not give the carbonyl product shown?
b. Which of the reactions that do not occur can be made to occur if an acid catalyst is added to the reaction mixture?
5.
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Textbook Question
A compound with molecular formula C5H10O2 gives the following IR spectrum. When it undergoes acid-catalyzed hydrolysis, the compound with the 1H NMR spectrum shown below is formed. Identify the compounds.
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Textbook Question
Aspartame, the sweetener used in the commercial products NutraSweet and Equal, is 200 times sweeter than sucrose. What products will be obtained if aspartame is hydrolyzed completely in an aqueous solution of HCl?
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