Textbook Question
Show how you would accomplish the following multistep syntheses. You may use any additional reagents and solvents you need.
(d)
1
views
Ch. 20 - Carboxylic Acids
Wade9th EditionOrganic ChemistryISBN: 9780135213728
Not the one you use?Change textbookSelect a different textbook
Table of contents
- Ch.1 - Structure and Bonding107
- Ch. 2 - Acids and Bases; Functional Groups115
- Ch.3 - Structure and Stereochemistry of Alkanes100
- Ch.4 - The Study of Chemical Reactions99
- Ch.5 - Stereochemistry93
- Ch.6 - Alkyl Halides; Nucleophilic Substitution118
- Ch. 7 - Structure and Synthesis of Alkenes; Elimination158
- Ch.8 - Reactions of Alkenes171
- Ch.9 - Alkynes91
- Ch.10 - Structure and Synthesis of Alcohols143
- Ch.11 - Reactions of Alcohols104
- Ch. 12 - Infrared Spectroscopy and Mass Spectrometry22
- Ch. 13 - Nuclear Magnetic Resonance Spectroscopy45
- Ch. 14 - Ethers, Epoxides, and Thioethers72
- Ch. 15 - Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy89
- Ch. 16 - Aromatic Compounds74
- Ch. 17 - Reactions of Aromatic Compounds126
- Ch. 18 - Ketones and Aldehydes193
- Ch. 19 - Amines129
- Ch. 20 - Carboxylic Acids77
- Ch. 21 - Carboxylic Acid Derivatives141
- Ch. 22 - Condensations and Alpha Substitutions of Carbonyl Compounds175
- Ch. 23 - Carbohydrates and Nucleic Acids93
- Ch. 24 - Amino Acids, Peptides, and Proteins54
Chapter 20, Problem 39e
Show how you would accomplish the following multistep syntheses. You may use any additional reagents and solvents you need.
(e) 
Verified step by step guidance1
Step 1: Convert the cyclohexanecarboxylic acid to cyclohexanoyl chloride using thionyl chloride (SOCl₂). This reaction replaces the hydroxyl group (-OH) of the carboxylic acid with a chlorine atom, forming an acyl chloride.
Step 2: React the cyclohexanoyl chloride with cyclohexanol in the presence of a base like pyridine. This step forms an ester by nucleophilic acyl substitution, where the alcohol attacks the acyl chloride.
Step 3: Perform a Williamson ether synthesis to create the ether linkage. React the cyclohexanol with a strong base like sodium hydride (NaH) to form the cyclohexoxide ion, which then reacts with the ester formed in Step 2 to create the ether bond.
Step 4: Repeat the Williamson ether synthesis with another equivalent of cyclohexanol to form the second ether bond, completing the formation of the desired compound.
Step 5: Purify the product using techniques such as distillation or recrystallization to isolate the final compound with the desired structure.
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.
Multistep Synthesis
Multistep synthesis involves a series of chemical reactions that transform starting materials into a desired product through intermediate compounds. Understanding the sequence of reactions, including the reagents and conditions required for each step, is crucial for successfully completing the synthesis. This concept emphasizes the importance of planning and strategy in organic chemistry to achieve complex molecules efficiently.
Recommended video:
Guided course
02:15
Multistep Synthesis
Reagents and Solvents
Reagents are substances used to bring about a chemical reaction, while solvents are the mediums in which reactions occur. Selecting appropriate reagents is essential for driving the desired transformations, and the choice of solvent can influence reaction rates, yields, and selectivity. Knowledge of common reagents and solvents, along with their properties, is vital for effective synthesis planning.
Recommended video:
Guided course
01:16Identification of polarity in solvents
Reaction Mechanisms
A reaction mechanism describes the step-by-step sequence of elementary reactions that occur during a chemical transformation. Understanding mechanisms helps predict the products of reactions and the conditions needed for them to proceed. Familiarity with common mechanisms, such as nucleophilic substitution or electrophilic addition, is essential for designing multistep syntheses and troubleshooting potential issues.
Recommended video:
Guided course
02:16Heck Reaction Mechanism
Related Practice
Textbook Question
Show how you would accomplish the following multistep syntheses. You may use any additional reagents and solvents you need.
(b)
1
views
Textbook Question
Show how you would accomplish the following multistep syntheses. You may use any additional reagents and solvents you need.
(c)
1
views
Textbook Question
The following NMR spectra correspond to compound of formula (C) C6H10O2. Propose structure, and show how it is consistent with the observed absorptions.
<IMAGE>
Textbook Question
Show how you would accomplish the following multistep syntheses. You may use any additional reagents and solvents you need.
(f)
3
views
Textbook Question
The following NMR spectra correspond to compound of formula (A) C9H10O2. Propose structure, and show how it is consistent with the observed absorptions.
<IMAGE>
1
views