Organic Chemistry 9th Edition

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

Chapter 15 - Benzene and Aromaticity - Problem: 18


The IUPAC names of the compounds are: (a) 2-Methyl-5-phenylhexane (b) m-Bromobenzoic acid (c) 1-Bromo-3,5-dimethylbenzene (d) o-Bromopropylbenzene (e) 1-Fluoro-2,4-dinitrobenzene (f) p-Chloroaniline

Work Step by Step

The rules for naming the aromatic compounds are: 1. The name of the substituent is used as a prefix the name of the aromatic compound. 2. In case one or more similar substituent groups are present in the ring, they are preceded by prefixes such as di, tri, tetra to denote the number of similar substituent groups attached to the ring. 3. In case different substituted groups are attached to the aromatic compound, substituent having the highest priority is assigned number one and the subsequent substituents are given the lowest possible numbers. 4. The substituents are always named in alphabetical order. 5. In case of di or tri substituted aromatic compounds, terms like ortho (o), meta (m) and para (p) are also used as prefixes to indicate the relative positions of the substituents.
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