Mechanism for the base-catalysed rearrangement for the given α , β − unsaturated carbonyl compound has to be proposed. Concept introduction: The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon. The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon. The β , γ − unsaturated carbonyl compound are those with a double bond between the β and γ- carbon. The α , β - unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

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Answer 1

Question

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

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Draw a mechanism for the following transformation

Draw the full mechanism for the following transformation

A b,g-unsaturated carbonyl compound rearranges to a more stable conjugated a,b-unsaturated compound in the presence of either acid or base. a. Propose a mechanism for the base-catalyzed rearrangement. b. Propose a mechanism for the acid-catalyzed rearrangement.

Answer 2

Question

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

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Answer 3

Question

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

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Answer 4

Question

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

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Answer 5

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

Answer 6

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

Answer 7

Chapter 13, Problem 35P

(a)

Interpretation Introduction

Interpretation:

Mechanism for the base-catalysed rearrangement for the given α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The β,γ− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the β,γ- unsaturated carbonyl compound and rearrangement takes place in presence of either an acid or a base.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Mechanism for the acid-catalysed rearrangement for the giveb α,β− unsaturated carbonyl compound has to be proposed.

Concept introduction:

The carbon which is adjacent to the carbonyl group is known as α- carbon, followed next by β- carbon and γ- carbon.

The α,β- unsaturated carbonyl compounds are a type of carbonyl compounds where there is a double bond between the α and β- carbon.

The α,β− unsaturated carbonyl compound are those with a double bond between the β and γ- carbon.

The α,β- unsaturated carbonyl compounds are most stable than the

β,γ- unsaturated carbonyl compounds and rearrangement takes place in presence of either an acid or a base.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 13.1 - Identify the most acidic hydrogen in each...Ch. 13.1 - Prob. 2P Ch. 13.1 - Prob. 3P Ch. 13.1 - Prob. 4P Ch. 13.1 - Explain why HO cannot remove a proton from the...Ch. 13.2 - Prob. 6P Ch. 13.2 - Prob. 7P Ch. 13.3 - Prob. 8P Ch. 13.3 - Prob. 9P Ch. 13.3 - Prob. 10P

Solution Summary: The author explains the mechanism for the base-catalysed rearrangement of the given alpha,beta - unsaturated carbonyl compound.

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Chapter 13 Solutions