A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed. Concept introduction: The Wolff–Kishner reduction converts the carbonyl ( C = O ) group of a ketone or aldehyde into a CH 2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

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Answer 1

Question

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

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Answer 2

Question

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

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Answer 3

Question

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

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Answer 4

Question

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

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Answer 5

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

Answer 6

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

Answer 7

Chapter 19, Problem 19.12P

Interpretation Introduction

Interpretation:

A way to carry out the given synthesis from four different α,β -unsaturated ketones is to be proposed.

Concept introduction:

The Wolff–Kishner reduction converts the carbonyl (C = O) group of a ketone or aldehyde into a CH2 group. Thus, a Wolff–Kishner reaction removes the C = O functional group of a ketone or aldehyde. The synthesis can be carried out by conjugate addition to an α,β -unsaturated ketone or aldehyde, resulting in the formation of a new C - C bond at the β carbon.

Answer 8

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Answer 11

Ch. 19 - Prob. 19.1P Ch. 19 - Prob. 19.2P Ch. 19 - Prob. 19.3P Ch. 19 - Prob. 19.4P Ch. 19 - Prob. 19.5P Ch. 19 - Prob. 19.6P Ch. 19 - Prob. 19.7P Ch. 19 - Prob. 19.8P Ch. 19 - Prob. 19.9P Ch. 19 - Prob. 19.10P

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Chapter 19 Solutions