Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 2 - Structure and Properties of Organic Molecules - Study Problems - Page 86: 2-44 a

Answer

The functional groups in Penicillin G are: • aromatic • amide • cyclic amide • carboxylic acid • thioether

Work Step by Step

1. The benzene ring at the left is the aromatic group. 2. The $CO-NH$ group next to the benzene ring is the amide. 3. At the right lower side, the $CO-NH$ is cyclic. It is a cyclic amide. 4. At the upper right side, the structure is of an ether with oxygen replaced by sulphur. This is called a thioether. 5. The lower corner on far right is the carboxylic acid group ($-COOH$)
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