(a) Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown. Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α − carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester . The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 1

Question

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 2

Question

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 3

Question

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 4

Question

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

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Answer 5

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 6

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 7

Chapter 24, Problem 24.40P

Interpretation Introduction

(a)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 8

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 9

Interpretation Introduction

(b)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 10

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 11

Interpretation Introduction

(c)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 12

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 13

Interpretation Introduction

(d)

Interpretation: The starting materials that are needed to synthesize the given compound by a crossed Claisen reaction are to be shown.

Concept introduction: In crossed claisen condensation reaction, the base abstracts the acidic proton from α− carbon atom of an ester to form enolate. This enolate reacts with carbonyl compound of other ester that leads to the formation of a β-keto ester. The crossed Claisen condensation always takes place between the two different carbonyl compounds.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 24 - Prob. 24.1P Ch. 24 - Prob. 24.2P Ch. 24 - Problem 24.3 What unsaturated carbonyl compound is...Ch. 24 - Prob. 24.4P Ch. 24 - Prob. 24.5P Ch. 24 - Prob. 24.6P Ch. 24 - Problem 24.7 Draw the products formed in each...Ch. 24 - Problem 24.8 Draw the products formed in the...Ch. 24 - Prob. 24.9P Ch. 24 - Prob. 24.10P

Solution Summary: The author explains the starting materials needed to synthesize the given compound by a crossed Claisen reaction.

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