The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction. Concept introduction: Diels-Alder reaction is a [ 4+2 ] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene . Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile. The dienes shows conformations due to free rotation of C − C bond. The conformations are s-cis and s-trans . Example, the conformations for 1,3-butadiene are, To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

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Answer 1

Question

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

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Answer 2

Question

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

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Answer 3

Question

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

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Answer 4

Question

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

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See solution

Answer 5

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

Answer 6

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

Answer 7

Chapter 17.7, Problem 18CC

Interpretation Introduction

Interpretation:

The given dienes should be ranked in terms of their reactivity (least to most) for Diels-Alder reaction.

Concept introduction:

Diels-Alder reaction is a [4+2] cycloaddition reaction, in which a π-system having four atoms (diene) and a π-system having two atoms (dienophile) are undergoing in cycloaddition reaction and producing a substituted cyclohexene.

Only the diene having s-cis conformation will undergo Diels-Alder reaction with dienophile.

The dienes shows conformations due to free rotation of C−C bond. The conformations are s-cis and s-trans.

Example, the conformations for 1,3-butadiene are,

To rank: the given dienes in terms of reactivity (least to most) for Diels-Alder reaction.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 17.1 - Prob. 1CC Ch. 17.2 - Prob. 2CC Ch. 17.2 - Prob. 3CC Ch. 17.2 - Prob. 4CC Ch. 17.2 - Prob. 5CC Ch. 17.3 - Prob. 6CC Ch. 17.4 - Prob. 1LTS Ch. 17.4 - Prob. 7PTS Ch. 17.4 - Prob. 8ATS Ch. 17.4 - Prob. 9ATS

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Chapter 17 Solutions