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580 Chapter 17

Copyright © 2017 Pearson Education, Inc.

CH

3

CH

2

H CH

3

CH OCH

3

Br

CH

3

CH

2

CHCH OCH

3

OH

CH

3

+

1. Zn

2. H

2

O

CH

3

CH

2

CHCH OH

OH

CH

3

CH

3

CH

2

CH

OH C

H

2

SO

4

CH

3

HCl H

2

O

excess

CH

3

CH

2

CH

2

CH

3

BrCH

2

OCH

3

CH

3

CH

2

CCH

2

OCH

3

OH

CH

2

CH

3

1. Zn

2. H

2

O

+

c.

d.

C

O

C

O

C

O

C

O

C

O

C

O

C

O

C

O

68.

The ketone is 2-hexanone. Therefore, the alkyl halide is a propyl halide (propyl bromide, propyl chloride,

or propyl iodide).

CH

3

CH

2

CH

2

CH

2

CH

3

This part comes from acetoacetic ester.

C

O

69.

a.

O

O

CH

2

CH

2

CH

2

CH

3

1. LDA/THF

2. CH

3

CH

2

CH

2

CH

2

Br

O

O

CH

2

CH

2

CH

3

N

H

O

O

CH

3

CH

2

CH

2

CCl

1.

2.

3. HCl, H

2

O

O

trace

acid

1. LDA/THF

add slowly

CH

3

CH

2

CH

2

CCl

2.

O

b.

1.

2.

CH

2

CH

2

CH

3

O

C

O

C