(a) Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled. Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds. The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position. The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

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Answer 1

Question

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Consider the tricyclic structure A. (a) Label each substituent on the rings as axial or equatorial. (b) Draw a skeletal structure for A, using wedges and dashes to show whether the substituents are located above or below the rings.

Consider the attached tricyclic structure B. (a) Label each substituent on the rings as axial or equatorial. (b) Draw B using chair conformations for each sixmembered ring. (c) Label the atoms on the ring fusions (the carbons that join each set of two rings together) as cis or trans to each other.

(1) Which of the following choices is the identity ROH? (2) Which of the following choices if the identity of CARBONYL?

Answer 2

Question

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Answer 3

Question

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Answer 4

Question

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

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Answer 5

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

Answer 6

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Answer 7

Chapter 4, Problem 75P

Interpretation Introduction

(a)

Interpretation: The axial or equatorial substituents on the rings of the given structure A are to be labeled.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. The chair conformation of cyclohexane consists of six axial and six equatorial bonds.

The six axial bonds present one on each carbon atom, are parallel and alternate to each other and are in up-down position.

The six equatorial bonds present one on each carbon atom, are present in three sets of two parallel ring bonds. They are in alternate position between the sides around the ring.

Answer 8

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

Answer 9

Interpretation Introduction

(b)

Interpretation: The skeletal structure of A with the help of wedges and dashed wedges is to be drawn in order to show whether the substituents are located above or below the rings.

Concept introduction: The different spatial arrangements of atoms that results from the rotation about single bonds are called conformational isomers. When two substituents in a conformation are in up or down direction then it is known as cis conformation. But if one substituent is in upward direction and the other is facing down direction, then the conformation is known as trans.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 4.1 - Prob. 1P Ch. 4.1 - Problem 4.2 Which of the following is not another...Ch. 4.1 - Problem 4.3 Draw the five constitutional isomers...Ch. 4.1 - Prob. 4P Ch. 4.1 - Prob. 5P Ch. 4.2 - Draw the five constitutional isomers that have...Ch. 4.4 - Problem 4.7 Give the IUPAC name for each...Ch. 4.4 - Give the IUPAC name for each compound. a....Ch. 4.4 - Problem 4.9 Give the structure corresponding to...Ch. 4.4 - Prob. 10P

Solution Summary: The author explains the different spatial arrangements of atoms that result from the rotation about single bonds are called conformational isomers.

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