Textbook Question
Draw the product of each of the following reactions:
2.
982
views
Ch. 9 - Substitution and Elimination Reactions of Alkyl Halides
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
Not the one you use?Change textbookSelect a different textbook
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
All textbooks
Bruice 8th EditionCh. 9 - Substitution and Elimination Reactions of Alkyl HalidesProblem 120c
Bruice 8th EditionCh. 9 - Substitution and Elimination Reactions of Alkyl HalidesProblem 120cChapter 10, Problem 120c
Give two sets of reactants (each set including an alkyl halide and a nucleophile) that could be used to synthesize the following ether:
Verified step by step guidance1
Step 1: Analyze the ether structure provided. The ether has two alkyl groups attached to the oxygen atom: one is a tert-butyl group (C(CH3)3), and the other is an isopropyl group (CH(CH3)2). This indicates that the ether can be synthesized using two different sets of reactants: an alkyl halide and a nucleophile.
Step 2: Recall the Williamson Ether Synthesis mechanism. This reaction involves an alkoxide ion (nucleophile) reacting with an alkyl halide via an SN2 mechanism to form an ether. The alkoxide ion is typically generated by deprotonating an alcohol with a strong base.
Step 3: For the first set of reactants, choose tert-butyl bromide (C(CH3)3Br) as the alkyl halide and isopropoxide ion (CH(CH3)2O⁻) as the nucleophile. The isopropoxide ion can be prepared by treating isopropanol (CH(CH3)2OH) with a strong base like NaH or NaOH.
Step 4: For the second set of reactants, choose isopropyl bromide (CH(CH3)2Br) as the alkyl halide and tert-butoxide ion (C(CH3)3O⁻) as the nucleophile. The tert-butoxide ion can be prepared by treating tert-butanol (C(CH3)3OH) with a strong base like NaH or NaOH.
Step 5: Ensure that the chosen alkyl halide and nucleophile pair avoids steric hindrance issues during the SN2 reaction. For example, the tert-butoxide ion is bulky, so it is better used as the nucleophile when reacting with a less hindered alkyl halide like isopropyl bromide.
Verified video answer for a similar problem:
This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
2mWas this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Williamson Ether Synthesis
Williamson Ether Synthesis is a method for creating ethers through the reaction of an alkoxide ion with a primary alkyl halide. This reaction involves nucleophilic substitution, where the alkoxide acts as a nucleophile, attacking the electrophilic carbon of the alkyl halide, leading to the formation of an ether. The choice of reactants is crucial, as steric hindrance can affect the reaction's success.
Recommended video:
Guided course
03:50
The Mechanism of Williamson Ether Synthesis.
Alkyl Halides
Alkyl halides are organic compounds containing a carbon atom bonded to a halogen atom (such as chlorine, bromine, or iodine). They serve as electrophiles in nucleophilic substitution reactions, making them essential reactants in ether synthesis. The structure of the alkyl halide, particularly whether it is primary, secondary, or tertiary, influences the reaction pathway and the feasibility of the Williamson Ether Synthesis.
Recommended video:
Guided course
01:52How to name alkyl halides
Nucleophiles
Nucleophiles are species that donate an electron pair to form a chemical bond in a reaction. In the context of ether synthesis, nucleophiles such as alkoxides or amines are crucial as they attack the electrophilic carbon of alkyl halides. The strength and structure of the nucleophile can significantly affect the reaction rate and the selectivity of the ether formation.
Recommended video:
Guided course
08:27Nucleophilic Addition
Related Practice
Textbook Question
The reaction of an alkyl chloride with potassium iodide is generally carried out in acetone to maximize the amount of alkyl iodide that is formed. Why does the solvent increase the yield of alkyl iodide? (Hint: Potassium iodide is soluble in acetone, but potassium chloride is not.)
1022
views
Textbook Question
Draw the product of each of the following reactions:
1.
1439
views
Textbook Question
Propose a mechanism for the following reaction:
1145
views
Textbook Question
Give two sets of reactants (each set including an alkyl halide and a nucleophile) that could be used to synthesize the following alkyne:
CH3CH2C≡CCH2CH2CH2CH3
1261
views
Textbook Question
Explain why tetrahydrofuran can solvate a positively charged species better than diethyl ether can.
1797
views