a) Interpretation: The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers. Concept introduction: (2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines. To determine: The structure of L-threonine using normal, wedged and dashed lines.

Question

What is the configuration of the carbon atom indicated by the dot? (a) R (b) S (c) Not a chiral center HO Im OH

Answer 1

Question

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

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Answer 2

Question

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

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Answer 3

Question

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

Expert Solution & Answer

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Answer 4

Question

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

Expert Solution & Answer

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Answer 5

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

Answer 6

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Answer 7

Chapter 26.1, Problem 3P

Interpretation Introduction

a)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

The structure of L-threonine using normal, wedged and dashed lines.

Answer 8

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

Answer 9

Interpretation Introduction

b)

Interpretation:

The structure of threonine is to be elucidated using normal wedged and dashed line and the presence of two α-carbons in this amino acid gives it two chirality centers.

Concept introduction:

(2S,3R)-2-amino-3-hydroxybutanoic acid or threonine is an amino acid with two α-carbons and hence it has two chiral centers. According to the Fisher projections, the amino acid molecules may be represented using normal, wedged, and dashed lines.

To determine:

Two possible diastereomers of L-threonine.

Answer 10

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Answer 11

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Answer 21

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

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Chapter 26 Solutions