a) I-L-P-F Interpretation: The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given. Concept introduction: Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin. To give: The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Question

1.57 Draw all reasonable resonance structures for the following cation. Then draw the resonance hybrid.

Answer 1

Question

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

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Answer 2

Question

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

Expert Solution & Answer

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Answer 3

Question

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

Expert Solution & Answer

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Answer 4

Question

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

Expert Solution & Answer

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Answer 5

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

Answer 6

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Answer 7

Chapter 26.SE, Problem 45AP

Interpretation Introduction

a) I-L-P-F

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide I-L-P-F.

Answer 8

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

Answer 9

Interpretation Introduction

b) D-T-S-G-A

Interpretation:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A is to be given.

Concept introduction:

Edmund degradation involves treatment of a peptide with phenyl isothiocyanate, followed by reaction with trifluoroacetic acid when an anilinothiazolinone (ATZ) is produced. This ATZ rearranges in the presence of acids to yield N-phenylthiohydantoin.

To give:

The structure of the PTH derivative product that is obtained by Edman degradation of the peptide D-T-S-G-A.

Answer 10

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Ch. 26.1 - How many of the -amino acids shown in Table 26-1...Ch. 26.1 - Prob. 2P Ch. 26.1 - Prob. 3P Ch. 26.2 - Hemoglobin has pI=6.8. Does hemoglobin have a net...Ch. 26.3 - Show how you could prepare the following -amino...Ch. 26.3 - What alkyl halides would you use to prepare the...Ch. 26.3 - Prob. 7P Ch. 26.4 - There are six isomeric tripeptides that contain...Ch. 26.4 - Draw the structure of M-P-V-G, and indicate its...Ch. 26.5 - Prob. 10P

Chapter 26 Solutions