Organic Chemistry 9th Edition

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

Chapter 7 - Alkenes: Structure and Reactivity - Problem: 4

Answer

The IUPAC names of the compunds are: (a) 3,4,4-Trimethylpent-1-ene (b) 3-Methylhex-3-ene (c) 4,7-Dimethyloct-2,5-diene (d) 6-Ethyl-7-methylnon-4-ene

Work Step by Step

The IUPAC rules for naming the alkenes are: 1. Look for the longest chain containing the double bond and assign numbers to the carbon atoms. 2. Assign numbers/locants to the substituents and list them in alphabetical order as prefixes to the name of the main chain. 3. The presence of more than one double bond is indicated by the suffixes diene, triene, etc. 4. Always assign the lowest possible number to the carbons containing the double bond.
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