Organic Chemistry (8th Edition)

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

Chapter 3 - Structure and Stereochemistry of Alkanes - Problems - Page 95: Problem 3-7 e

Answer

The more common name for the ( 3-methylbutyl ) group is: Isoamyl group. Structure: $CH_3CH_2CH(CH_3)CH_2-$

Work Step by Step

1. Write the biggest carbon chain, and number its carbons: - It is: "butyl", so we must draw this chain: $^1CH_3 − \space ^2CH_3 − \space ^3 CH_3 − \space^4 CH_2−$ 2. Now, add the other groups: - Since it is represented by: "3 -methyl", we should attach a methyl groups ($CH_3−$) to the third carbon of the chain, which will lose one hydrogen to do such thing. - The final chemical formula is: $CH_3CH_2CH(CH_3)CH_2-$ 3. Finally, name it properly: - The name is given in the exercise: "isoamyl group"
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