Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH 4 yields an epoxide . The structure of the epoxide is to be shown and its formation is to be explained. Concept introduction: The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide. To give: Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH 4 yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

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Assign the carbon numbered on CNMR

Answer 1

Question

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

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Answer 2

Question

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

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Answer 3

Question

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

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Answer 4

Question

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

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Answer 5

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Answer 6

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Answer 7

Chapter 18.SE, Problem 68GP

Interpretation Introduction

Interpretation:

Given that the treatment of α-bromoacetophenone, obtained from acetophenone by bromination, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

Concept introduction:

The nucleophilic attack attack of the hydride ion on the carbonyl carbon of the bromoketone and the following internal nucleophilic attack by the negatively charged oxide ion and to eliminate a bromide ion will lead to the formation of the epoxide.

To give:

Given that the treatment of α-bromoacetophenone, prepared from acetophenone, with NaBH₄ yields an epoxide. The structure of the epoxide is to be shown and its formation is to be explained.

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Answer 19

Ch. 18.1 - Name the following ethers:Ch. 18.2 - Why do you suppose only symmetrical ethers are...Ch. 18.2 - How would you prepare the following ethers using a...Ch. 18.2 - Review the mechanism of oxymercuration shown in...Ch. 18.2 - How would you prepare the following ethers? Use...Ch. 18.2 - Prob. 6P Ch. 18.3 - Prob. 7P Ch. 18.3 - Write the mechanism of the acid-induced cleavage...Ch. 18.3 - Why are HI and HBr more effective than HCl in...Ch. 18.4 - What product would you expect from Claisen...

Solution Summary: The author explains that the treatment of -bromoacetophenone with NaBH 4 yields an epoxide. The nucleophilic attack of the hydride ion on the carbony

Chapter 18 Solutions