Organic Chemistry: Principles And Mechanisms: Study Guide/solutions Manual (second)
Organic Chemistry: Principles And Mechanisms: Study Guide/solutions Manual (second)
2nd Edition
ISBN: 9780393655551
Author: KARTY, Joel
Publisher: W. W. Norton & Company
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Chapter 14, Problem 14.25P
Interpretation Introduction

(a)

Interpretation:

The given compound is to be identified as aromatic, antiaromatic, or nonaromatic.

Concept introduction:

Cyclic compounds with a conjugated π system can be classified on the basis of Huckel’s rules for aromaticity.

A species that possesses an π system that is fully conjugated around a ring is aromatic if the number of π-electrons in the cyclic system is 4n+2, where n = 0, 1, 2, ...

The species is antiaromatic if the number of π-electrons in the cyclic system is 4n, where n = 0, 1, 2, ...

All other species are nonaromatic.

For the π system of MOs constructed from p orbitals, the ring must be planar.

Interpretation Introduction

(b)

Interpretation:

The given compound is to be identified as aromatic, antiaromatic, or nonaromatic.

Concept introduction:

Cyclic compounds with a conjugated π system can be classified on the basis of Huckel’s rules for aromaticity.

A species that possesses a π system that is fully conjugated around a ring is aromatic if the number of π-electrons in the cyclic system is 4n+2, where n = 0, 1, 2, ...

The species is antiaromatic if the number of π-electrons in the cyclic system is 4n, where n = 0, 1, 2, ...

All other species are nonaromatic.

For the π system of MOs constructed from p orbitals, the ring must be planar.

Interpretation Introduction

(c)

Interpretation:

The given compound is to be identified as aromatic, antiaromatic or nonaromatic.

Concept introduction:

Cyclic compounds with a conjugated π system can be classified on the basis of Huckel’s rules for aromaticity.

A species that possesses a π system that is fully conjugated around a ring is aromatic if the number of π-electrons in the cyclic system is 4n+2, where n = 0, 1, 2, ...

The species is antiaromatic if the number of π-electrons in the cyclic system is 4n, where n = 0, 1, 2, ...

All other species are nonaromatic.

For the π system of MOs constructed from p orbitals, the ring must be planar.

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Chapter 14 Solutions

Organic Chemistry: Principles And Mechanisms: Study Guide/solutions Manual (second)

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