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 102: 5.66



Work Step by Step

1. Find the parent chain and where we should start counting the carbons: - Since there are no bifurcations, the parent chain will have all carbons. - We should start counting from the left, because the double bond is closer to this side. 2. Functional group: - No functional group: "e". 3. Insaturations and number of carbons on the parent chain: - 1 double bond on the carbons number 2 and 3: "2-en" - 8 carbons in the parent chain: "oct". 4. Substitutents: - 1 Chloro on the carbon number 5: "5-chloro" - 2 Methyls on the carbons number 5 and 6: "5,6-dimethyl" - 1 Fluoro on the carbon number 6: "6-fluoro" **Dont forget to alphabetize it: "5-chloro-6-fluoro-5,6-dimethyl" 5. Stereoisomerism: - 2 opposite hydrogens on the carbons with the double bond: "(trans)" 6. Put them all together: (trans)-5-chloro-6-fluoro-5,6-dimethyloct-2-ene
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