The kinetic and thermodynamic products of the given reaction has to be predicted. Concept Introduction: Reactions of conjugated dienes: An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur. Kinetic and thermodynamic products: Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible. Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond. Rule: The stabilities of carbocation are, Benzyl cation = allyl cation = 3 ∘ carbocation > 2 ∘ carbocation > 1 ∘ carbocation > methyl cation > vinyl cation

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Answer 1

Question

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

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PLEASE READ!!! I DONT WANT EXAMPLES, I DONT WANT WORDS OR PARAGRAPHS FOR THE MECHANISM!!! THANKS First image: QUESTION 6. I have to show, with ARROWS and STRUCTURES, the mechanism of the reaction at the bottom. Also I have to show by mecanism why the reaction wouldn't work if the alcohol was primary. I also tried to draw the mechanism, tell me what to change. Please note that its an AMIDE thats formed not an AMINE the nitrogen has ONE hydrogen and one Phenyl-C-Phenyl. I already asked for this mechanism and got as a final product ...-NH2 not whats shown on the picture, thank you Ths second part. QUESTION 3. I just need a way to synthesize the lactone A, I already started please continue from where I left it Second image: I simply need the products, substrates or reagents, thank you

Indicate how to prepare a 10% sodium hydroxide (NaOH) solution to a slightly alkaline pH.

Answer 2

Question

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

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Answer 3

Question

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

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Answer 4

Question

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

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Answer 5

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

Answer 6

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

Answer 7

Chapter 8, Problem 99P

(a)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible. The thermodynamic product is the product with the most highly substituted double bond.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

Answer 8

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

Answer 9

(b)

Interpretation Introduction

Interpretation:

The kinetic and thermodynamic products of the given reaction has to be predicted.

Concept Introduction:

Reactions of conjugated dienes:

An electrophilic addition reaction to a conjugated diene forms both 1,2-addition and 1,4-addition products because the resonance contributors of the allylic cation give cation carbon and the chances for the nucleophile to attack at the electrophilic centre will occur.

Kinetic and thermodynamic products:

Kinetic product: The more rapidly formed product is called the kinetic product. The reactions that produce the kinetic product as the major product are said to be kinetically controlled. The kinetic product predominates when the reaction is irreversible.

Thermodynamic product: The more stable product is called the thermodynamic product. The reactions that produce the thermodynamic product as the major product are said to be thermodynamically controlled. The thermodynamic product predominates when the reaction is reversible.

Rule: The stabilities of carbocation are,

Benzyl cation = allyl cation = 3∘carbocation > 2∘ carbocation > 1∘ carbocation > methyl cation > vinyl cation

Answer 10

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Answer 13

Ch. 8.1 - Prob. 1P Ch. 8.1 - Prob. 2P Ch. 8.4 - Prob. 3P Ch. 8.5 - Prob. 4P Ch. 8.5 - Prob. 6P Ch. 8.6 - a. Predict the relative bond lengths of the three...Ch. 8.6 - Prob. 8P Ch. 8.6 - Prob. 9P Ch. 8.6 - Prob. 10P Ch. 8.7 - Prob. 11P

Solution Summary: The author explains the kinetic and thermodynamic products of the given reaction.

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