Organic Chemistry 9th Edition

Published by Brooks Cole
ISBN 10: 1305080483
ISBN 13: 978-1-30508-048-5

Chapter 14 - Conjugated Compounds and Ultraviolet Spectroscopy - Exercises: 25

Answer

The IUPAC names of the compounds are: (a) 3-Methylhexa-2,4-diene (b) Hepta-1,3,5-triene (c) Hepta-2,3,5-triene (d) 3-Propylpenta-1,3-diene

Work Step by Step

The following rules are followed while naming the compounds: 1. Count the longest chain of carbon atoms containing the multiple bonds. 2. Assign locants to the substituents. 3. The parent chain is numbered beginning at the end of the chain closest to one of the double bonds. 4. The suffix -diene is used in case of two double bonds/the suffix -triene is used in case of three double bonds in the parent chain.
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