The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition. Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated. Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

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Answer 1

Question

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

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Students have asked these similar questions

The original definition of meso is “an achiral compound that has chiral diastereomers.” Our working definition of meso is “an achiral compound that has chiral centers (usually asymmetric carbon atoms).” The working definition is much easier to apply because we don’t have to envision all possible chiral diastereomers of the compound. Still, the working definition is not quite as complete as the original definition. See if you can construct a double allene that is achiral, although it has chiral diastereomers, and is, therefore, a meso compound under the original definition. The allene structure is not a chiral center, but it can be a chiral axis.

Is 1,2-dichloroethane optically inactive since it has no chiral center? Also, since it has no chiral centers does it is an achiral or mesocompound?

Find an example of a chiral molecule in biology whose enantiomers have markedly different functions. Where is the chiral center located, and how can it be identified? Find and include an image of its molecular structure. What function does the active enantiomer play biologically, and how is this function hindered or changed with the other enantiomer? Are there any synthetic considerations for this molecule?

Answer 2

Question

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

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Answer 3

Question

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

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Answer 4

Question

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

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Answer 5

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

Answer 6

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

Answer 7

Chapter 5, Problem 5.41SP

(a)

Interpretation Introduction

To determine: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that cis-cycloctene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

Answer 8

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

Answer 9

(b)

Interpretation Introduction

To determine: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition.

Interpretation: The validation of the fact that a double allene is a meso compound under the original definition, but not under working definition is to be stated.

Concept introduction: The class of diastereoisomers includes stereoisomers that are not enantiomers. They are not the mirror images of each other. There are two or more chiral centers generally present in diastereoisomers. Structures of diastereoisomers are not the same, but they are stereoisomers because they differ in the spatial arrangement of atoms.

Answer 10

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Answer 13

Ch. 5.2 - Determine whether the following objects are chiral...Ch. 5.2A - Prob. 5.2P Ch. 5.2B - Prob. 5.3P Ch. 5.2B - Prob. 5.4P Ch. 5.2C - Prob. 5.5P Ch. 5.3 - Prob. 5.6P Ch. 5.3 - Prob. 5.7P Ch. 5.4D - Prob. 5.8P Ch. 5.4D - Prob. 5.9P Ch. 5.4D - Prob. 5.10P

Solution Summary: The author explains that cis-cycloctene is a meso compound under the original definition, but not under working definition.

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