Textbook Question
What are the products of the following reactions? Show all stereoisomers that are formed.
c.
d.
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 74b
Bruice 8th EditionCh. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid DerivativesProblem 74bChapter 17, Problem 74b
List three different sets of reagents (each set consisting of a carbonyl compound and a Grignard reagent) that could be used to prepare each of the following tertiary alcohols:
b. 
Verified step by step guidance1
Step 1: Analyze the structure of the tertiary alcohol provided. The central carbon is bonded to three alkyl groups (CH2CH3, CH2CH2CH3, and CH2CH3) and a hydroxyl group (-OH). This indicates that the alcohol is tertiary, meaning it was formed by the addition of a Grignard reagent to a carbonyl compound.
Step 2: To synthesize this tertiary alcohol, identify the carbonyl compound that would react with a Grignard reagent to form the desired structure. The carbonyl compound must have one of the alkyl groups already attached to the carbonyl carbon.
Step 3: Select the Grignard reagent that will add the remaining alkyl group to the carbonyl compound. Grignard reagents are organomagnesium compounds (R-MgX), where R is the alkyl group to be added.
Step 4: Repeat the process to identify three different sets of reagents. For example: (1) Use a ketone with one alkyl group and a Grignard reagent with another alkyl group, (2) Use a different ketone and Grignard reagent combination, and (3) Use an aldehyde and a Grignard reagent to achieve the same tertiary alcohol.
Step 5: Ensure that each set of reagents (carbonyl compound and Grignard reagent) leads to the formation of the same tertiary alcohol. Verify the connectivity of the alkyl groups and the hydroxyl group in the final product for each set.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Carbonyl Compounds
Carbonyl compounds are organic molecules that contain a carbon atom double-bonded to an oxygen atom (C=O). They are classified into two main types: aldehydes and ketones. Understanding the reactivity of carbonyl compounds is crucial, as they serve as electrophiles in nucleophilic addition reactions, which are fundamental in organic synthesis.
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Grignard Reagents
Grignard reagents are organomagnesium compounds represented as RMgX, where R is an organic group and X is a halogen. They are powerful nucleophiles that react with electrophiles, such as carbonyl compounds, to form new carbon-carbon bonds. Their ability to add to carbonyls is essential for synthesizing alcohols, particularly tertiary alcohols when reacting with ketones.
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Tertiary Alcohols
Tertiary alcohols are alcohols where the hydroxyl (-OH) group is attached to a carbon atom that is bonded to three other carbon atoms. They are typically formed through the reaction of Grignard reagents with ketones. Understanding the structure and formation of tertiary alcohols is important for predicting the outcomes of organic reactions and for designing synthetic pathways.
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Related Practice
Textbook Question
What product is formed when 3-methyl-2-cyclohexenone reacts with each of the following reagents?
c. HBr
d. CH3CH2SH
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Textbook Question
What product is formed when 3-methyl-2-cyclohexenone reacts with each of the following reagents?
a. CH3MgBr followed by H3O+
b. (CH3CH2)2CuLi followed by H3O+
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Textbook Question
How could you convert N-methylbenzamide to the following compounds?
d. benzyl alcohol
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Textbook Question
List three different sets of reagents (each set consisting of a carbonyl compound and a Grignard reagent) that could be used to prepare each of the following tertiary alcohols:
a.
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Textbook Question
What is the product of each of the following reactions?
c.
d.
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