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 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 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 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 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 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 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 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 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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