The product of the given claisen condensation reaction is to be predicted. Concept introduction: In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones , aldehydes and esters.

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Answer 1

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

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Answer 2

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

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Answer 3

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

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Answer 4

Question

Definition Definition Organic compounds that have a carbonyl group, C=O, as their functional group. The carbonyl group in aldehydes is placed at the end of the molecular structure, which means the C=O is attached to one hydrogen atom and an alkyl group or a benzene ring. Just like all the other homologous series in organic chemistry, the naming of aldehydes uses the suffix “-al”. The general molecular formula is C n H 2n O.

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

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Answer 5

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 6

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 7

Chapter 22, Problem 22.63SP

(a)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 14

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 15

(e)

Interpretation Introduction

Interpretation:

The product of the given claisen condensation reaction is to be predicted.

Concept introduction:

In the claisen-ester condensation, nucleophilic acyl substitution takes place on an ester. The enolate ion acts as a nucleophile. It attacks the carbonyl carbon to form a tetrahedral intermediate. Acidity of beta-keto ester products is higher than simple ketones, aldehydes and esters.

Answer 16

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Answer 17

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Answer 18

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Answer 19

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 describes the claisen-ester condensation reaction, where nucleophilic acyl substitution takes place on an ester.

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Chapter 22 Solutions