Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination

Mullins - Organic Chemistry: A Learner Centered Approach 1st Edition

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Mullins 1st Edition

Ch. 13 - Alcohols, Ethers and Related Compounds: Substitution and Elimination

Problem 57f

Chapter 12, Problem 57f

Fill in the missing reactant, reagent, or product for each of the following oxidation reactions.
(f)

Verified step by step guidance

Identify the functional group in the starting material. Here, the starting material is a secondary alcohol attached to a pyridine ring.

Recognize the transformation that occurs. The secondary alcohol is oxidized to a ketone.

Determine the type of reagent needed for this transformation. Secondary alcohols are typically oxidized to ketones using oxidizing agents.

Consider common oxidizing agents for this transformation. Reagents such as PCC (Pyridinium chlorochromate) or Jones reagent (chromic acid) are often used for oxidizing secondary alcohols to ketones.

Select an appropriate oxidizing agent. In this case, PCC is a suitable choice as it selectively oxidizes secondary alcohols to ketones without over-oxidizing to carboxylic acids.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Oxidation and Reduction

Oxidation refers to the loss of electrons or an increase in oxidation state by a molecule, atom, or ion, while reduction is the gain of electrons or a decrease in oxidation state. In organic chemistry, these processes often involve the addition or removal of oxygen or hydrogen atoms. Understanding these concepts is crucial for predicting the products of oxidation reactions.

Common Oxidizing Agents

Oxidizing agents are substances that facilitate oxidation by accepting electrons from another species. Common oxidizing agents in organic reactions include potassium permanganate (KMnO4), chromium trioxide (CrO3), and hydrogen peroxide (H2O2). Recognizing these agents helps in identifying the missing reactants or products in oxidation reactions.

Reaction Mechanisms

A reaction mechanism describes the step-by-step sequence of elementary reactions by which overall chemical change occurs. Understanding the mechanism of oxidation reactions, including the role of intermediates and transition states, is essential for predicting the outcome of the reaction and identifying missing components in the reaction scheme.

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Related Practice

Textbook Question

Predict the product of the following oxidation reactions.

(a)

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Textbook Question

Fill in the missing reactant, reagent, or product for each of the following oxidation reactions. react similarly to chromic acid

(d)

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Textbook Question

In Hinkley, the cleanup continues today. In one process PG&E is using to mitigate the chromium(VI) toxicity, ethanol is injected into the soil. How would this reduce the chromium(VI) contamination?

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Textbook Question

Fill in the missing reactant, reagent, or product for each of the following oxidation reactions.

(b)

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Textbook Question

Fill in the missing reactant, reagent, or product for each of the following oxidation reactions.

(c)

898

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