Textbook Question
Describe how the target molecule (butanone) can be synthesized in a high yield from butane.
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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 63(9,10)
Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblem 63(9,10)Chapter 16, Problem 63(9,10)
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?
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10. 
Verified step by step guidance1
Step 1: Analyze the reactions provided in the image. Reaction 1 involves the conversion of an amide to an acyl chloride using Cl⁻. Reaction 2 involves the hydrolysis of an amide to form a carboxylic acid using H₂O. Reaction 3 involves the reaction of an acyl chloride with an enolate to form a β-keto ester.
Step 2: Determine which reactions produce the carbonyl product shown. Reaction 1 produces an acyl chloride, Reaction 2 produces a carboxylic acid, and Reaction 3 produces a β-keto ester. Compare these products to the carbonyl product in question.
Step 3: Identify the reactions that do not occur under the given conditions. Reaction 2 (amide hydrolysis) typically requires an acid or base catalyst to proceed efficiently. Without a catalyst, this reaction may not occur.
Step 4: Consider how the reactions that do not occur can be made to occur. For Reaction 2, adding an acid catalyst (e.g., HCl) would protonate the amide, making it more susceptible to nucleophilic attack by water, thereby facilitating hydrolysis to form the carboxylic acid.
Step 5: Summarize the findings. Reaction 2 does not occur without a catalyst but can be made to occur with the addition of an acid catalyst. Reaction 1 and Reaction 3 proceed under the given conditions and produce their respective carbonyl products.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Nucleophilic Acyl Substitution
Nucleophilic acyl substitution is a fundamental reaction mechanism in organic chemistry where a nucleophile attacks the carbonyl carbon of a carboxylic acid derivative, leading to the substitution of a leaving group. This mechanism is crucial for understanding how different carboxylic acid derivatives, such as esters, amides, and acyl chlorides, react to form carbonyl products. The reaction typically involves the formation of a tetrahedral intermediate, which then collapses to release the leaving group.
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Nucleophiles and Electrophiles can react in Substitution Reactions.
Role of Acid Catalysts
Acid catalysts play a significant role in enhancing the reactivity of nucleophilic acyl substitution reactions. They can protonate the carbonyl oxygen, increasing the electrophilicity of the carbonyl carbon, making it more susceptible to nucleophilic attack. This is particularly important in reactions that may not proceed efficiently under neutral conditions, allowing for reactions that would otherwise be unfavorable to occur more readily.
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Carboxylic Acid Derivatives
Carboxylic acid derivatives include compounds like acyl chlorides, esters, and amides, which differ in their leaving groups and reactivity. Understanding the structure and reactivity of these derivatives is essential for predicting the outcomes of nucleophilic acyl substitution reactions. Each type of derivative has unique characteristics that influence how they react with nucleophiles and the types of products formed, which is critical for answering questions about specific reaction pathways.
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Related Practice
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
What are the products of the following reactions?
a.
b.
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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Textbook Question
1,4-Diazabicyclo[2.2.2]octane (abbreviated DABCO) is a tertiary amine that catalyzes transesterification reactions. Explain how it does this.
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