(a) Interpretation: A stepwise mechanism for the given reaction is to be drawn. Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

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Answer 1

Question

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

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Answer 2

Question

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

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Answer 3

Question

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

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Answer 4

Question

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

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Answer 5

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Answer 6

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Answer 7

Chapter 9, Problem 9.79P

Interpretation Introduction

(a)

Interpretation: A stepwise mechanism for the given reaction is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Answer 8

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Answer 9

Interpretation Introduction

(b)

Interpretation: The rearrangement product formed from diol D is to be drawn.

Concept introduction: Pinacol rearrangement is also termed as Pinacol-Pinacolone rearrangement. This rearrangement reaction is an acid catalyzed conversion of 1, 2-diols into carbonyl compounds. The reactant of the reaction is named as pinacol and the product of the reaction is named as pinacolone.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 9 - Problem 9.1 Label each ether and alcohol in...Ch. 9 - Give the IUPAC name for each compound.Ch. 9 - Problem 9.3 Give the structure corresponding to...Ch. 9 - Name each of the following ethers.Ch. 9 - Name each epoxide. a. (two ways) b. c. (two...Ch. 9 - Problem 9.6 Rank the following compounds in order...Ch. 9 - Which mechanism is favored by the use of crown...Ch. 9 - Problem 9.8 Draw the organic product of each...Ch. 9 - Prob. 9.9P Ch. 9 - Problem 9.10 Draw the products of each reaction. ...

Solution Summary: The author describes Pinacol rearrangement as an acid catalyzed conversion of 1, 2-diols into carbonyl compounds.

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