The carboxylic acid for synthesis of tyrosone using Hell-Volhard-Zelinsky reaction and the product formed when the carboxylic acid is treated with bromine need to be identified. Concept introduction: α -bromination of carboxylic acid in presence of bromine and a catalytic amount of phosphorous tribromide to form α -bromocarboxylic acid is known as Hell-Volhard-Zelinsky reaction. The formed α -bromocarboxylic acid when treated with ammonia gives α -aminocarboxylic acid as the product.

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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 25, Problem 87IP

(a)

Interpretation Introduction

Interpretation:

The carboxylic acid for synthesis of tyrosone using Hell-Volhard-Zelinsky reaction and the product formed when the carboxylic acid is treated with bromine need to be identified.

Concept introduction:

α -bromination of carboxylic acid in presence of bromine and a catalytic amount of phosphorous tribromide to form α -bromocarboxylic acid is known as Hell-Volhard-Zelinsky reaction. The formed α -bromocarboxylic acid when treated with ammonia gives α -aminocarboxylic acid as the product.

(b)

Interpretation Introduction

Concept introduction:

Aromatic electrophilic substitution happens when the aromatic ring is most activated. The substitution of the incoming groups depends upon the nature of the groups that is already present in the aromatic ring. If the group that is present in the aromatic ring is a ortho-para director then the substitution takes place in ortho and para position. If it is a meta directing group then the substitution takes place in meta position.

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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 25, Problem 87IP

(a)

Interpretation Introduction

Interpretation:

The carboxylic acid for synthesis of tyrosone using Hell-Volhard-Zelinsky reaction and the product formed when the carboxylic acid is treated with bromine need to be identified.

Concept introduction:

α -bromination of carboxylic acid in presence of bromine and a catalytic amount of phosphorous tribromide to form α -bromocarboxylic acid is known as Hell-Volhard-Zelinsky reaction. The formed α -bromocarboxylic acid when treated with ammonia gives α -aminocarboxylic acid as the product.

(b)

Interpretation Introduction

Concept introduction:

Aromatic electrophilic substitution happens when the aromatic ring is most activated. The substitution of the incoming groups depends upon the nature of the groups that is already present in the aromatic ring. If the group that is present in the aromatic ring is a ortho-para director then the substitution takes place in ortho and para position. If it is a meta directing group then the substitution takes place in meta position.

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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 25, Problem 87IP

(a)

Interpretation Introduction

Interpretation:

The carboxylic acid for synthesis of tyrosone using Hell-Volhard-Zelinsky reaction and the product formed when the carboxylic acid is treated with bromine need to be identified.

Concept introduction:

α -bromination of carboxylic acid in presence of bromine and a catalytic amount of phosphorous tribromide to form α -bromocarboxylic acid is known as Hell-Volhard-Zelinsky reaction. The formed α -bromocarboxylic acid when treated with ammonia gives α -aminocarboxylic acid as the product.

(b)

Interpretation Introduction

Concept introduction:

Aromatic electrophilic substitution happens when the aromatic ring is most activated. The substitution of the incoming groups depends upon the nature of the groups that is already present in the aromatic ring. If the group that is present in the aromatic ring is a ortho-para director then the substitution takes place in ortho and para position. If it is a meta directing group then the substitution takes place in meta position.

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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 25, Problem 87IP

(a)

Interpretation Introduction