Textbook Question
What are the products of the following reactions?
g.
h.
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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 68d
Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblem 68dChapter 16, Problem 68d
What are the products of the following reactions?
d. 
Verified step by step guidance1
Step 1: Identify the functional group in the reactant. The given compound is phthalic anhydride, which contains an anhydride functional group. Anhydrides are reactive towards water and undergo hydrolysis.
Step 2: Understand the reaction mechanism. When anhydrides react with water, they are hydrolyzed to form two carboxylic acids. The reaction involves the cleavage of the anhydride bond.
Step 3: Predict the products. Hydrolysis of phthalic anhydride will yield phthalic acid, which has two carboxylic acid groups attached to a benzene ring.
Step 4: Write the chemical equation for the reaction. The reaction can be represented as:
Step 5: Note the structural change. The anhydride ring opens up, and two hydroxyl groups from water are added to form two carboxylic acid groups. This is a typical hydrolysis reaction for anhydrides.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Ester Hydrolysis
Ester hydrolysis is a chemical reaction where an ester reacts with water to form an alcohol and a carboxylic acid. This reaction can occur under acidic or basic conditions, but in this case, it is acid-catalyzed, which means an acid is used to speed up the reaction. The presence of the acid helps to protonate the carbonyl oxygen, making the carbon more electrophilic and facilitating the nucleophilic attack by water.
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Acid-Catalyzed Reaction Mechanism
In acid-catalyzed reactions, the acid donates a proton (H+) to a reactant, enhancing its reactivity. For ester hydrolysis, the acid protonates the carbonyl oxygen of the ester, increasing the electrophilicity of the carbonyl carbon. This step is crucial as it allows water, acting as a nucleophile, to attack the carbonyl carbon, leading to the cleavage of the ester bond and the formation of the products.
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Products of Hydrolysis
The products of ester hydrolysis are typically a carboxylic acid and an alcohol. In the case of the given reaction, the ester structure shown will yield a specific carboxylic acid and an alcohol upon hydrolysis. Identifying the structure of the starting ester is essential to predict the exact products formed after the reaction with water.
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Related Practice
Textbook Question
Phosgene (COCl2) was used as a poison gas in World War I. What product would be formed from the reaction of phosgene with each of the following reagents?
c. excess propylamine
d. excess water
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Textbook Question
What are the products of the following reactions?
c.
1886
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Textbook Question
What are the products of the following reactions?
a.
b.
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Textbook Question
What are the products of the following reactions?
i.
j.
1477
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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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