(a) Interpretation: The cyclic product formed from the given dihalide is to be predicted. Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO 2 to give carboxylic acid . An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 1

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Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 2

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 3

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 4

Question

Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Answer 5

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 6

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 7

Chapter 21.9, Problem 23P

Interpretation Introduction

(a)

Interpretation: The cyclic product formed from the given dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid. An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 8

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 9

Interpretation Introduction

(b)

Interpretation: The cyclic product formed from dihalide is to be predicted.

Concept introduction: The α hydrogen attached to the diester is acidic in nature and on heating the diester followed by hydrolysis gives β- diacid which loses CO2 to give carboxylic acid.An intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

Answer 10

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Answer 12

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Answer 13

Ch. 21.2 - Problem 23.1 Draw the enol or keto tautomer(s) of...Ch. 21.2 - Problem 23.3 When phenylacetaldehyde is dissolved...Ch. 21.3 - Prob. 5P Ch. 21.3 - Problem 23.5 Which bonds in the following...Ch. 21.3 - Prob. 7P Ch. 21.3 - Prob. 8P Ch. 21.3 - Prob. 9P Ch. 21.4 - Prob. 10P Ch. 21.5 - Prob. 11P Ch. 21.7 - Problem 23.11 Draw the products of each...

Solution Summary: The author explains how an intramolecular malonic ester synthesis can be used to form ring structures having three to six atoms from an appropriate halide.

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Chapter 21 Solutions