Textbook Question
Show how you would accomplish the following conversions in good yields. You may use any necessary reagents.
(b)
1
views
Ch. 22 - Condensations and Alpha Substitutions of Carbonyl Compounds
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
All textbooks
Wade 9th EditionCh. 22 - Condensations and Alpha Substitutions of Carbonyl CompoundsProblem 71c
Wade 9th EditionCh. 22 - Condensations and Alpha Substitutions of Carbonyl CompoundsProblem 71cChapter 22, Problem 71c
Show how you would accomplish the following conversions in good yields. You may use any necessary reagents.
(c) 
Verified step by step guidance1
Step 1: Analyze the transformation. The starting compound is a ketone, and the product is its enolate form. This indicates that the conversion involves deprotonation of the alpha-hydrogen adjacent to the carbonyl group.
Step 2: Identify the reagent required for deprotonation. A strong base is typically used to abstract the alpha-hydrogen. Common bases include sodium hydride (NaH), lithium diisopropylamide (LDA), or sodium ethoxide (NaOEt).
Step 3: Choose the appropriate solvent. The reaction should be carried out in a polar aprotic solvent such as tetrahydrofuran (THF) or in an alcohol like ethanol, depending on the base used.
Step 4: Perform the reaction. Add the chosen base to the ketone in the solvent under controlled conditions to ensure selective deprotonation at the alpha-carbon.
Step 5: Confirm the formation of the enolate ion. The enolate ion is stabilized by resonance, where the negative charge is delocalized between the alpha-carbon and the oxygen atom of the carbonyl group.
Verified video answer for a similar problem:
This video solution was recommended by our tutors as helpful for the problem above.
Video duration:
3mWas this helpful?
Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Reaction Mechanisms
Understanding reaction mechanisms is crucial in organic chemistry as it describes the step-by-step process by which reactants transform into products. This includes identifying intermediates, transition states, and the role of catalysts. A clear grasp of mechanisms helps predict the outcome of reactions and the conditions needed for successful conversions.
Recommended video:
Guided course
02:16
Heck Reaction Mechanism
Reagents and Conditions
Different organic reactions require specific reagents and conditions to proceed effectively. Knowledge of common reagents, such as acids, bases, oxidizing agents, and reducing agents, is essential. Additionally, understanding the influence of temperature, pressure, and solvent choice can significantly affect reaction yields and selectivity.
Recommended video:
Guided course
01:52Reagents
Stereochemistry
Stereochemistry involves the study of the spatial arrangement of atoms in molecules and how this affects their chemical behavior. In many organic reactions, the stereochemistry of reactants can influence the products formed, particularly in chiral molecules. Recognizing stereochemical outcomes is vital for predicting the success of conversions and ensuring desired product configurations.
Recommended video:
1:38Polymer Stereochemistry Concept 1
Related Practice
Textbook Question
Show how you would use the acetoacetic ester synthesis to make the following compounds.
2
views
Textbook Question
Show how you would use the malonic ester synthesis to make the following compounds.
6
views
Textbook Question
Show how you would accomplish the following conversions in good yields. You may use any necessary reagents.
(a)
1
views
Textbook Question
Predict the products of these reaction sequences.
2
views
Textbook Question
Show how you would accomplish the following conversions in good yields. You may use any necessary reagents.
(d)
(e)
(f)
1
views