The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified. Concept Introduction: From a compound the required starting materials for synthesize are determined by using Robinson annulation. Steps followed in Robinson Annulation: 1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule. 2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

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Answer 1

Question

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

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Answer 2

Question

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

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Answer 3

Question

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

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Answer 4

Question

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

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Answer 5

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 6

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 7

Chapter 18.16, Problem 36P

(a)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 12

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 13

(d)

Interpretation Introduction

Interpretation:

The two carbonyl compounds required to synthesize the given compound using Robinson annulation should be identified.

Concept Introduction:

From a compound the required starting materials for synthesize are determined by using Robinson annulation.

Steps followed in Robinson Annulation:

1. Draw line which bisects the double and the single bond between the β and γ carbons present in the molecule.

2. The β carbon result to be αβ- unsaturated carbonyl compound which is the first segment and γ carbon serves as the α carbon of enolate ion that serves as the second carbonyl segment.

Answer 14

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Answer 15

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Answer 16

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Answer 17

Ch. 18.1 - Prob. 1P Ch. 18.1 - Prob. 2P Ch. 18.1 - Prob. 3P Ch. 18.1 - Prob. 4P Ch. 18.1 - PROBLEM 5♦ List the compounds in each of the...Ch. 18.2 - Explain why 92% of 2,4-pemtanedione exists as the...Ch. 18.3 - Draw the enol tautomers for each of the following...Ch. 18.3 - Prob. 8P Ch. 18.4 - Prob. 9P Ch. 18.4 - Prob. 10P

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Chapter 18 Solutions