The use of Strecker synthesis to make phenylalanine. Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown. Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids .

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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 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

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1, How many signals do you expect in the H NMR spectrum for this molecule? Write the answer below. Also, in each of the drawing areas below is a copy of the molecule, with Hs shown. In each copy, one of the H atoms is colored red. Highlight in red all other H atoms that would contribute to the same signal as the H already highlighted red. Note for advanced students: In this question, any multiplet is counted as one signal. Number of signals in the 'H NMR spectrum. For the molecule in the top drawing area, highlight in red any other H atoms that will contribute to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional Hs to color in top molecule For the molecule in the bottom drawing area, highlight in red any other H atoms that will contribute. to the same signal as the H atom already highlighted red. If no other H atoms will contribute, check the box at right. No additional Hs to color in bottom molecule Check…

Incorrect Row 2: Your answer is incorrect. Consider this molecule: How many H atoms are in this molecule? 22 How many different signals could be found in its 'H NMR spectrum? 12 Note: A multiplet is considered one signal.

Answer 2

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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 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

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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 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

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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 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

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Answer 5

Chapter 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

Answer 6

Chapter 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

Answer 7

Chapter 24.5C, Problem 24.11P

(a)

Interpretation Introduction

To determine: The use of Strecker synthesis to make phenylalanine.

Interpretation: The use of Strecker synthesis to make phenylalanine is to be shown.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

Answer 8

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

Answer 9

(b)

Interpretation Introduction

To determine: A mechanism for each step in the synthesis in part (a).

Interpretation: A mechanism for each step in the synthesis in part (a) is to be proposed.

Concept introduction: Strecker synthesis is a two step procedure that is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water. In first step, condensation of ammonia takes place with aldehyde to form an imine. It is followed generally by hydrolysis to α-amino acids.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 24.2A - Draw three-dimensional representations of the...Ch. 24.2A - Prob. 24.2P Ch. 24.2B - The herbicide glyphosate (Roundup) kills plants by...Ch. 24.4 - Draw the structure of the predominant form of a....Ch. 24.4 - Draw the resonance forms of a protonated guanidino...Ch. 24.4 - Although tryptophan contains a heterocyclic amine,...Ch. 24.4 - Prob. 24.7P Ch. 24.4 - Prob. 24.8P Ch. 24.5A - Show how the following amino acids might be formed...Ch. 24.5B - Prob. 24.10P

Solution Summary: The author explains how Strecker synthesis is used to synthesize alpha amino acids from aldehydes using a metal cyanide, acid catalyst and water.

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