The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined. Concept introduction: A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups. In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer. When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer. The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

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Answer 1

Question

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

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Assign R or S configuration to the asymmetric carbons (designated by asterisk) in streptimidone shown below:

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Answer 2

Question

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

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Answer 3

Question

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

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Answer 4

Question

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

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Answer 5

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

Answer 6

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

Answer 7

Chapter 4.7, Problem 10P

Interpretation Introduction

Interpretation:

The absolute configuration (R) or (S) in each of the given compound represented by the Fischer projections is to be determined.

Concept introduction:

A chirality center is the tetrahedral carbon which is directly attached to four different atoms or groups.

In the Fischer projection, the vertical bonds point away from the observer while the horizontal bonds point towards the observer.

When determining the configuration, the molecule is oriented such that the lowest ranked atom points away from the observer.

The order of decreasing priorities of the three other atoms or groups is decided. If it traces a clockwise path, the configuration is R and if it traces a counterclockwise path, the configuration is S.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 4.2 - Examine the following for chirality centers:Ch. 4.2 - Prob. 2P Ch. 4.3 - Prob. 3P Ch. 4.3 - Prob. 4P Ch. 4.4 - Prob. 5P Ch. 4.4 - Prob. 6P Ch. 4.5 - Does the molecular model shown represent...Ch. 4.6 - Assign absolute configurations as R or S to each...Ch. 4.6 - Draw three-dimensional representations of Ch. 4.7 - Prob. 10P

Solution Summary: The author explains the absolute configuration of a compound represented by the Fischer projections. The chirality center is the tetrahedral carbon.

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Chapter 4 Solutions