Textbook Question
a. Show the reagents required to form the primary alcohol in each of the following reactions.
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Ch. 16 - Reactions of Aldehydes and Ketones • More Reactions of 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. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid DerivativesProblem 58d
Bruice 8th EditionCh. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid DerivativesProblem 58dChapter 17, Problem 58d
Draw the products of the following reactions. Indicate whether each reaction is an oxidation or a reduction.
d. 
Verified step by step guidance1
Step 1: Identify the functional group in the reactant. The given compound contains an aldehyde group (-CHO) attached to a cyclohexane ring.
Step 2: Recognize the reagents used in the reaction. The reaction involves hydrogen gas (H₂) and Raney nickel, which is a catalyst commonly used for hydrogenation reactions.
Step 3: Understand the reaction mechanism. Hydrogenation typically reduces the aldehyde group to a primary alcohol by adding hydrogen atoms to the carbonyl group.
Step 4: Determine the type of reaction. Since the aldehyde is being reduced to an alcohol, this reaction is classified as a reduction reaction.
Step 5: Draw the product. Replace the aldehyde group (-CHO) with a primary alcohol group (-CH₂OH) while keeping the cyclohexane ring intact.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Reduction Reaction
A reduction reaction involves the gain of electrons or hydrogen by a molecule, resulting in a decrease in oxidation state. In organic chemistry, this often refers to the conversion of carbonyl groups (C=O) to alcohols (C-OH) through the addition of hydrogen. The reaction shown in the question is a classic example of reduction, where a carbonyl compound is transformed into an alcohol.
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Catalysts in Organic Reactions
Catalysts are substances that increase the rate of a chemical reaction without being consumed in the process. In the context of the given reaction, Raney nickel (Raney Ni) serves as a catalyst for hydrogenation, facilitating the addition of hydrogen to the carbonyl compound. Understanding the role of catalysts is crucial for predicting reaction pathways and product formation in organic chemistry.
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Oxidation-Reduction (Redox) Reactions
Oxidation-reduction (redox) reactions involve the transfer of electrons between two species, where one is oxidized (loses electrons) and the other is reduced (gains electrons). Identifying whether a reaction is an oxidation or reduction is essential for understanding the changes in oxidation states of the reactants. In the provided reaction, the carbonyl compound is reduced, indicating a gain of hydrogen and a decrease in oxidation state.
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Related Practice
Textbook Question
Draw the products of the following reactions. Indicate whether each reaction is an oxidation or a reduction.
f.
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Textbook Question
Using cyclohexanone as the starting material, describe how each of the following compounds can be synthesized:
a.
b.
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Textbook Question
Draw the products of the following reactions. Indicate whether each reaction is an oxidation or a reduction.
a.
b.
c.
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Textbook Question
Draw the products of the following reactions. Indicate whether each reaction is an oxidation or a reduction.
e.
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Textbook Question
Which of the reactions cannot be used for the synthesis of isobutyl alcohol?
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