(a) Interpretation: The product with detailed mechanism for the given Diels-Alder reaction is to be drawn. Concept introduction: The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

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Answer 1

Question

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

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Answer 2

Question

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

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Answer 3

Question

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

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Answer 4

Question

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

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Answer 5

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Answer 6

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Answer 7

Chapter 24, Problem 24.28P

Interpretation Introduction

(a)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The product with detailed mechanism for the given Diels-Alder reaction is to be drawn.

Concept introduction:

The Diels-Alder reaction is the cycloaddition of diene and dienophile. The diene has a pair of conjugate double and contributes its 4π electrons. The dienophile has single double bond and contributes its 2π electrons. The dienophile can be an alkyne having C≡C bond, but that contributes only 2π electrons. These six electrons must flow in a cyclic fashion. Thus, the reaction proceeds through a cyclic transition state, which makes it a pericyclic reaction. Therefore, the Diels-Alder reaction is called [4+2] cycloaddition.

Answer 10

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Answer 12

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Answer 13

Ch. 24 - Prob. 24.1P Ch. 24 - Prob. 24.2P Ch. 24 - Prob. 24.3P Ch. 24 - Prob. 24.4P Ch. 24 - Prob. 24.5P Ch. 24 - Prob. 24.6P Ch. 24 - Prob. 24.7P Ch. 24 - Prob. 24.8P Ch. 24 - Prob. 24.9P Ch. 24 - Prob. 24.10P

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Chapter 24 Solutions