Table of Contents Table of Contents
Previous Page  340 / 912 Next Page
Basic version Information
Show Menu
Previous Page 340 / 912 Next Page
Page Background

332 Chapter 9

Copyright © 2017 Pearson Education, Inc.

76.

a. 

CH

3

CCH

3

CH

3

Br

CH

3

CCH

3

CH

3

+

CH

3

CH

2

OH

H

2

O

CH

3

CCH

3

CH

3

OCH

2

CH

3

+

CH

3

CCH

3

CH

3

OH

CH

3

CCH

3

CH

3

Cl

Br

Cl

b.

The products are obtained as a result of the nucleophiles reacting with the carbocation. 2-Bromo-

2-methylpropane and 2-chloro-2-methylpropane form the same carbocation, so both alkyl halides form

the same products.

77.

a.

The

S

N

2

reaction takes place with inversion of configuration.

C

CH

2

CH

2

CH

3

CH

3

H OCH

3

C

CH

2

CH

2

CH

3

CH

3

H Br

CH

3

O

(

R

)-2-bromopentane

(

S

)-2-methoxypentane

CH

3

H

Br

CH

2

CH

2

CH

3

CH

3

OCH

3

H

CH

2

CH

2

CH

3

or

CH

3

O

b.

The S

N

1 reaction takes place with inversion of configuration.

or

CH

3

OH

(

R

)-3-bromo-3-methylheptane

(

S

)-3-methoxy-3-methylheptane

C

CH

2

CH

3

Br

CH

3

CH

3

CH

2

CH

2

CH

2

(

R

)-3-methoxy-3-methylheptane

C

CH

2

CH

3

OCH

3

CH

3

CH

2

CH

2

CH

2

C

CH

2

CH

3

CH

3

O

CH

3

CH

2

CH

2

CH

2

CH

3

+

CH

2

CH

3

CH

3

Br

CH

2

CH

2

CH

2

CH

3

CH

2

CH

3

CH

3

CH

3

O

CH

2

CH

2

CH

2

CH

3

CH

2

CH

3

OCH

3

CH

3

CH

2

CH

2

CH

2

CH

3

CH

3

OH

+

CH

3

c.

CH

3

CH

2

OH

CH

2

Cl

CH

2

OCH

2

CH

3

d.

CH

2

CHCH

2

Cl

CH

2

CHCH

2

OCH

3

CH

3

OH

e.

CH

3

CH CHCH

2

Br

CH

3

CH CHCH

2

OCH

3

CH

3

O

f.

CH

3

CH CHCH

2

Br

CH

3

CH CHCH

2

OCH

3

CH

3

CHCH

OCH

3

CH

2

CH

3

OH

+