Textbook Question
Draw a mechanism for the following oxidation reactions.
(b)
6
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Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471
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Table of contents
- Ch. 2 - General Chemistry Translated: Finding the Electrons114
- Ch. 3 - Alkanes and Cycloalkanes: Properties and Conformational Analysis109
- Ch. 4 - Acids and Bases: Electron Flow144
- Ch. 5 - Chemical Reaction Analysis: Thermodynamics and Kinetics118
- Ch. 6 - Stereoisomerism: Arrangement of Atoms in Space112
- Ch. 7 - Principles of Green (Organic) Chemistry3
- Ch. 8 - Alkenes I: Properties and Electrophilic Additions158
- Ch. 9 - Alkenes II: Oxidation and Reduction150
- Ch. 10 - Alkynes: Electrophilic Addition and Redox Reactions101
- Ch. 11 - Properties and Synthesis of Alkyl Halides: Radical Reactions108
- Ch. 12 - Substitution and Elimination: Reactions of Haloalkanes172
- Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination239
- Ch. 14 - Structural Identification I: Infrared Spectroscopy and Mass Spectrometry54
- Ch. 15 - Structural Identification II: Nuclear Magnetic Resonance Spectroscopy93
- Ch. 16 - Metals in Organic Chemistry48
- Ch. 17 - Carbonyl Addition Reactions: Aldehydes and Ketones45
- Ch. 18 - Nucleophilic Acyl Substitution I: Carboxylic Acids18
- Ch. 19 - Nucleophilic Acyl Substitution II: Carboxylic Acid Derivatives39
- Ch. 20 - Enolates: Carbonyl Addition and Substitution13
- Ch. 21 - Conjugated Systems I: Stability and Addition Reactions56
- Ch. 22 - Conjugated Systems II: Pericyclic Reactions54
- Ch. 23 - Benzene I: Aromatic Stability and Substitution Reactions64
- Ch. 24 - Benzene II: Reactions Influenced by the Aromatic Ring62
- Ch. 25 - Amines: Structure, Reactions, and Synthesis27
- Ch. 26 - Amino Acids, Proteins, and Peptide Synthesis9
- Ch. 27 - Carbohydrates, Nucleic Acids, and Lipids54
Mullins1st EditionOrganic Chemistry: A Learner Centered ApproachISBN: 9780137566471Not the one you use?Change textbook
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Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblem 101d
Mullins 1st EditionCh. 13 - Alcohols, Ethers and Related Compounds: Substitution and EliminationProblem 101dChapter 12, Problem 101d
Draw a mechanism for the following oxidation reactions.
(d) 
Verified step by step guidance1
Identify the reactants and products: The reactant is benzyl alcohol, and the product is benzaldehyde. The reagent used for the oxidation is pyridinium chlorochromate (PCC).
Understand the role of PCC: PCC is a mild oxidizing agent that is commonly used to oxidize primary alcohols to aldehydes without further oxidation to carboxylic acids.
Initiate the mechanism: The alcohol oxygen atom donates a pair of electrons to the chromium atom in PCC, forming a chromate ester intermediate. This step involves the formation of a bond between the oxygen of the alcohol and the chromium of PCC.
Facilitate the elimination: The chromate ester undergoes elimination, where a proton is removed from the carbon adjacent to the oxygen, leading to the formation of a double bond between the carbon and oxygen, resulting in the aldehyde.
Complete the mechanism: The chromium species is reduced in the process, and the aldehyde is formed as the final product. Ensure to show the regeneration of the pyridinium ion and the reduced chromium species.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Oxidation Reactions
Oxidation reactions involve the loss of electrons or an increase in oxidation state by a molecule, atom, or ion. In organic chemistry, this often pertains to the conversion of alcohols to carbonyl compounds (aldehydes or ketones) or carboxylic acids. Understanding the specific reagents and conditions that facilitate these transformations is crucial for drawing accurate reaction mechanisms.
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Reaction Mechanisms
A reaction mechanism is a step-by-step description of how a chemical reaction occurs, detailing the bond-breaking and bond-forming processes. It includes intermediates, transition states, and the sequence of elementary steps. For oxidation reactions, recognizing the role of oxidizing agents and the movement of electrons is essential for accurately illustrating the mechanism.
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Functional Group Transformations
Functional group transformations refer to the chemical changes that convert one functional group into another, which is a common theme in organic synthesis. In the context of oxidation, this could involve the transformation of alcohols into ketones or aldehydes. Familiarity with the properties and reactivity of different functional groups is vital for predicting the outcomes of these reactions.
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Related Practice
Textbook Question
Draw a mechanism for the following oxidation reactions.
(c)
1
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Textbook Question
Suggest a synthesis for the following molecules beginning with organic molecules containing three or fewer carbons. [You will need to use a protecting group in these syntheses.]
(a)
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Textbook Question
In contrast to Assessment 13.102, only one combination of haloalkane and alkoxide can be used in the Williamson ether synthesis to make the ether shown. Identify the combination and explain why it is the only combination that works.
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Textbook Question
Identify the two possible combinations of haloalkane and alkoxide that can be used to make the following ether.
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Textbook Question
Draw a mechanism for the following oxidation reactions.
(a)
1
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