For the given transformation a reasonable mechanism need to be drawn. Concept introduction: Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are, Deprotonation of carbon Attach of enolate ion with the aldehyde ( nucleophilic attack ) Protonation of the alkoxide ion to give aldol product Dehydration of the aldol addition product to form conjugated enone (aldol condensation product) If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction. Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

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Answer 1

Question

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

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Is this an intramolecular reaction or an intermolecular reaction?

Answer 2

Question

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

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Answer 3

Question

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

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Answer 4

Question

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

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Answer 5

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

Answer 6

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

Answer 7

Chapter 21, Problem 75PP

Interpretation Introduction

Interpretation:

For the given transformation a reasonable mechanism need to be drawn.

Concept introduction:

Aldol condensation reaction is where the aldol addition product undergoes dehydration to give a conjugated enone. In organic chemistry condensation reaction means loss of small molecules. For aldol condensation reaction to take place the starting material should have two α hydrogens in the same carbon atom. The driving force for aldol condensation reaction is the formation of conjugated system. The steps involved in aldol condensation reaction are,

Deprotonation of carbon

Attach of enolate ion with the aldehyde (nucleophilic attack)

Protonation of the alkoxide ion to give aldol product

Dehydration of the aldol addition product to form conjugated enone (aldol condensation product)

If the aldol condensation reaction takes place between two carbonyl compounds it is known as intermolecular aldol condensation reaction and if the same takes place within a single molecule means it is known as intramolecular aldol condensation reaction.

Retrol-Aldol process is the one in which the intermediates formed are the same but they appear in reverse order compared to Aldol condensation process.

Answer 8

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Answer 11

Ch. 21.1 - Prob. 1CC Ch. 21.1 - Prob. 2CC Ch. 21.1 - Prob. 3CC Ch. 21.1 - Prob. 1LTS Ch. 21.1 - Prob. 4PTS Ch. 21.1 - Prob. 5ATS Ch. 21.1 - Prob. 6CC Ch. 21.1 - Prob. 7CC Ch. 21.2 - Prob. 8CC Ch. 21.2 - Prob. 9CC

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Chapter 21 Solutions