a) Interpretation: How to prepare the diol shown is to be stated. Concept introduction: A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO 3 yields the cis diol. A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol. To state: How to prepare the diol shown.

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Answer 1

Question

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

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Answer 2

Question

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Expert Solution & Answer

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Answer 3

Question

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Expert Solution & Answer

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Answer 4

Question

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

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Answer 5

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Answer 6

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Answer 7

Chapter 18.6, Problem 13P

Interpretation Introduction

a)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Answer 8

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Answer 9

Interpretation Introduction

b)

Interpretation:

How to prepare the diol shown is to be stated.

Concept introduction:

A cis diol can be prepared by treating an alkene with osmium tetroxide. The addition of osmium tetroxide in to the alkene takes place with syn stereochemistry to produce a cyclic osmic ester which when cleaved using NaHSO₃ yields the cis diol.

A trans diol can be prepared by acid catalyzed ring opening of epoxides with anti stereochemistry. The acid protonates the epoxide and then water attacks the protonated epoxide from the less hindered side to form an intermediate which deprotonates to yield a trans diol.

To state:

How to prepare the diol shown.

Answer 10

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Answer 11

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Answer 12

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Answer 13

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 how a cis diol can be prepared by treating an alkene with osmium tetroxide.

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