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 7 - Configurations - 7.1 Locating Stereocenters - Problems - Page 135: 7.3

Answer

The stereocenter of this molecule is the carbon that makes 3 visible bonds, and is on the center of the structure.
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Work Step by Step

1. Look for all the carbons that are making at least 3 bonds. ** If a carbon has less than 3 visible bonds, it means that it has 2 hydrogens (equal groups) or has a double bond. Therefore, it can't have 4 different groups, so it can't be the stereocenter. 2. Since we know that there is only 1 stereocenter, find the carbon that has 4 different groups connected to it. - It can't be the one on the left, because it is making 2 bonds with 2 equal groups (methyls). ** Don't forgot the Hydrogen. If a carbon follows this rule, it is a stereocenter.
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