ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.)
ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.)
4th Edition
ISBN: 9781119761068
Author: Klein
Publisher: WILEY
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Chapter 1.2, Problem 1.5P
Interpretation Introduction

Interpretation:

A systematic name for the given compound has to be provided.

ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.), Chapter 1.2, Problem 1.5P , additional homework tip  1

Concept Introduction:

Nomenclature of aromatic compounds:

  • The parent is benzene ring.  Functional groups attached to it other than hydrogens are called substituents.  The name of substituent must be placed before the name of the compound as a prefix in any substituted hydrocarbon.

    Ex.

ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.), Chapter 1.2, Problem 1.5P , additional homework tip  2

  • The numerical prefixes such as di, tri, and tetra must be included in the nomenclature if more than one similar substituents are attached to the benzene ring.

    Ex.

ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.), Chapter 1.2, Problem 1.5P , additional homework tip  3

  • If different substituent groups are attached to the benzene ring, the no. one position is determined by the parent.  So the first step is to choose a suitable parent.  Then the locants are assigned in a manner that gives the lower possible number to the next substituent.

    Ex.

ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.), Chapter 1.2, Problem 1.5P , additional homework tip  4

  • For disubstituted benzenes, prefixes such as ortho, meta and para should be used.

    Ex.

ORGANIC CHEMISTRY-NEXTGEN+BOX (2 SEM.), Chapter 1.2, Problem 1.5P , additional homework tip  5

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