The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn. Concept introduction: An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

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Answer 1

Question

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

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Answer 2

Question

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

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Answer 3

Question

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

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Answer 4

Question

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

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Answer 5

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 6

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 7

Chapter 22.13, Problem 22.40P

(a)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation has to be predicted and the structure of starting diester if applicable has to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The validation of the fact that the given keto ester is formed by Dieckmann condensation is to be predicted and the structure of starting diester if applicable is to be drawn.

Concept introduction:

An internal condensation reaction of a diester forms a ring compound. Such an internal claisen cyclization is known as a Dieckmann condensation reaction or more commonly it is known as a Dieckmann cyclization. This reaction is useful in the formation of five and six membered rings. Rings which are smaller than five carbon atoms or larger than six carbon atoms are rarely formed by this reaction.

Answer 14

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Answer 17

Ch. 22.2A - Prob. 22.2P Ch. 22.4 - Without looking back, propose a mechanism for the...Ch. 22.4 - Prob. 22.8P Ch. 22.4 - Prob. 22.9P Ch. 22.5A - Prob. 22.10P Ch. 22.5A - Prob. 22.11P Ch. 22.5B - Prob. 22.12P Ch. 22.5B - Predict the products of the following reactions....Ch. 22.5B - Which compounds will give positive iodoform tests?...Ch. 22.5C - Propose a mechanism for the acid-catalyzed...

Solution Summary: The author explains how Dieckmann condensation forms a ring compound, which is useful in the formation of five and six-membered rings.

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Chapter 22 Solutions