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 101: 5.62



Work Step by Step

1. Find the parent chain and where we should start counting the carbons: The parent chain will be the line of carbons in the middle. (Everything but the methyl group on the top.) You should start counting from the right. (The double bond gets the minimum number.) 2. Functional group: No functional group: "e" 3. Insaturations and number of carbons on the parent chain: - 1 double bond between the carbons 2 and 3. (2-en) - 6 carbons in the parent chain: "hex" 4. Substitutents: - 1 methyl group on the carbon number 3: "3-methyl" 5. Stereoisomerism: The double bond has 2 identical groups connected to it (methyls), and they both are on the top side of the bond: (cis). 6. Put them all together: (cis)-3-methylhex-2-ene,
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