Textbook Question
Using the pKa values listed in [TABLE 15.1], predict the products of the following reactions:
d.
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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 12e
Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblem 12eChapter 16, Problem 12e
Starting with acetyl chloride, what neutral nucleophile would you use to synthesize each of the following compounds?
e. 
Verified step by step guidance1
Step 1: Identify the functional group in the target compound. The compound contains an ester functional group, specifically ethyl pentyl ester.
Step 2: Recognize that acetyl chloride (CH3COCl) is an acyl chloride, which is reactive and can be converted into an ester through nucleophilic acyl substitution.
Step 3: Determine the neutral nucleophile required to form the ester. To synthesize the target compound, the nucleophile must be cyclopentanol (C5H9OH), as it provides the cyclopentyl group in the ester.
Step 4: Outline the reaction mechanism. Acetyl chloride reacts with cyclopentanol in the presence of a base (such as pyridine) to neutralize the HCl byproduct. The nucleophilic oxygen of cyclopentanol attacks the carbonyl carbon of acetyl chloride, forming the ester bond.
Step 5: Ensure proper reaction conditions. The reaction should be carried out under anhydrous conditions to prevent hydrolysis of acetyl chloride, and a base like pyridine is used to absorb the HCl formed during the reaction.
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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 in organic chemistry where a nucleophile attacks the carbonyl carbon of an acyl compound, such as an acid chloride, leading to the replacement of a leaving group (like chloride) with the nucleophile. This reaction is crucial for synthesizing various organic compounds, including esters and amides.
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Nucleophiles and Electrophiles can react in Substitution Reactions.
Acetyl Chloride
Acetyl chloride is an acyl chloride derived from acetic acid, characterized by the presence of a carbonyl group (C=O) and a chlorine atom. It is a reactive electrophile commonly used in organic synthesis to introduce acetyl groups into nucleophiles, facilitating the formation of esters and other derivatives through nucleophilic acyl substitution.
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Neutral Nucleophiles
Neutral nucleophiles are species that possess a lone pair of electrons and can donate them to electrophiles without carrying a formal charge. Examples include alcohols, amines, and water. In the context of nucleophilic acyl substitution, a neutral nucleophile can effectively attack the carbonyl carbon of acetyl chloride, leading to the formation of a new compound.
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Related Practice
Textbook Question
Write the mechanism for each of the following reactions:
b. the reaction of benzoyl chloride with excess methylamine to form N-methylbenzamide
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Textbook Question
Write the mechanism for each of the following reactions:
a. the reaction of acetyl chloride with water to form acetic acid
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Textbook Question
Starting with acetyl chloride, what neutral nucleophile would you use to synthesize each of the following compounds?
c.
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Textbook Question
Starting with acetyl chloride, what neutral nucleophile would you use to synthesize each of the following compounds?
f.
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Textbook Question
Starting with acetyl chloride, what neutral nucleophile would you use to synthesize each of the following compounds?
d.
1050
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