Organic Chemistry
Organic Chemistry
9th Edition
ISBN: 9781305080485
Author: John E. McMurry
Publisher: Cengage Learning
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Chapter 29.SE, Problem 17VC
Interpretation Introduction

a)

Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  1

Interpretation:

To identify the amino acid that is a catabolic precursor of the given α-keto acids:

Expert Solution
Check Mark

Answer to Problem 17VC

Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  2

Explanation of Solution

Catabolism of proteins occurs by a discrimination of α – amino acids according to the following reaction:

Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  3

Conclusion

The retro symmetric strategy is used to derive synthons and starting materials.

Interpretation Introduction

b)

Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  4

Interpretation:

To identify the amino acid that is a catabolic precursor of the given α-keto acids:

Expert Solution
Check Mark

Answer to Problem 17VC

The corresponding α amino acid precursor is respectively:

Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  5

Explanation of Solution

Catabolism of proteins occurs by a discrimination of α – amino acids according to the following reaction:

Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  6

Thus, the α – keto acid derives its structure from its precursor parent amino acid by replacing the Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  7 segment by Organic Chemistry, Chapter 29.SE, Problem 17VC , additional homework tip  8.

This proves the above assigned structures for the α – amino acids.

Conclusion

The retro symmetric strategy is used to derive synthons and starting materials.

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