Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation. Concept Introduction : Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product. The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

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Answer 1

Question

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

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Acid-catalyzed dehydration of 3-methyl-2-butanol gives three alkenes: 2-methyl-2- butene, 3-methyl-1-butene, and 2-methyl-1-butene. Propose a mechanism to account for the formation of each product

Identify the reaction conditions for the following transformations(it may require multiple steps).

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Answer 2

Question

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

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Answer 3

Question

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

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Answer 4

Question

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

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Answer 5

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

Answer 6

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

Answer 7

Chapter 7.7, Problem 13PTS

(a)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

Strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Whether hydroxide or tert-butoxide is required for the given transformation must be identified with explanation.

Concept Introduction :

The strong and bulky base like potassium tert-butoxide prefers to abstract proton from less hindered carbon. Thus, it produces less substituted alkene as the major (Hoffmann) product.

The smaller size bases like hydroxide abstracts proton from more hindered carbon. Thus, it produces more substituted alkene as the major (Saytzeff) product.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 7.2 - Prob. 1CC Ch. 7.3 - Prob. 2CC Ch. 7.3 - Prob. 1LTS Ch. 7.3 - Prob. 3PTS Ch. 7.3 - Prob. 4ATS Ch. 7.3 - Prob. 2LTS Ch. 7.3 - Prob. 5PTS Ch. 7.3 - Prob. 6ATS Ch. 7.3 - Prob. 7CC Ch. 7.4 - Prob. 8CC

Solution Summary: The author explains that hydroxide or tert-butoxide is required for the given transformation.

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