(a) Interpretation: The syntheses of 2, 4-dioxaspiro[5 .5]undecane is to be predicted. Concept introduction: Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p -toluenesulfonicacid . This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

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Answer 1

Question

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

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Answer 2

Question

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

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Answer 3

Question

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

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Answer 4

Question

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

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Answer 5

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Answer 6

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Answer 7

Chapter 19, Problem 19.26P

Interpretation Introduction

(a)

Interpretation:

The syntheses of 2, 4-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The syntheses of 1, 5-dioxaspiro[5.5]undecane is to be predicted.

Concept introduction:

Aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids, commonly p-toluenesulfonicacid. This is nucleophilic addition reaction. Conversion of aldehydes or ketones to acetals is a reversible reaction.

Answer 10

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Answer 12

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Answer 13

Ch. 19 - Prob. 19.1P Ch. 19 - Prob. 19.2P Ch. 19 - Prob. 19.3P Ch. 19 - Prob. 19.4P Ch. 19 - Prob. 19.5P Ch. 19 - Prob. 19.6P Ch. 19 - Prob. 19.7P Ch. 19 - Prob. 19.8P Ch. 19 - Prob. 19.9P Ch. 19 - Prob. 19.10P

Solution Summary: The author explains that aldehydes or ketones on reaction with two equivalents of alcohol form acetals. Acetal formation takes place in presence of acids.

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Chapter 19 Solutions