Organic Chemistry As a Second Language, 3e: First Semester Topics

Published by John Wiley & Sons
ISBN 10: 111801040X
ISBN 13: 978-1-11801-040-2

Chapter 5 - Nomenclature - 5.6 Numbering - Problems - Page 99: 5.51


The parent chain and the numbers are marked as red in the image.

Work Step by Step

1. Find the parent chain. In this case, the rule is: - It has to be as large as possible. 2. Identify where you are supposed to start counting. The counting should start from the left, since there is a double bond next to it. ** We need to count in a way that, the double bond will get the minimum number possible, which we do by starting from the top.
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