(a) Interpretation: The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

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Answer 1

Question

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

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Answer 2

Question

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

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Answer 3

Question

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

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Answer 4

Question

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

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Answer 5

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 6

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 7

Chapter 24, Problem 24.30P

Interpretation Introduction

(a)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The dienophile that would react with buta-1, 3-diene to produce the given compound 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. The carbons from the diene have C=C bond in the six membered ring product, and the carbons opposite to this double bond come from the dienophile.

Answer 12

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Answer 13

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Answer 14

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Answer 15

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