Organic Chemistry
Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
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Chapter 14, Problem 25P
Interpretation Introduction

Interpretation:

The [10] annulene given in section 14.7 B is not aromatic. The factor that makes the given 10 πelectron system aromatic is to identified.

Concept introduction:

Annulenes belong to the class of monocyclic compounds and are represented by the structure containing alternating single and double bonds.

For an annulene to be aromatic, the molecule should have (4n+2)π electrons and a planer carbon skeleton.

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Cyclopropenones are described as having aromatic character. How would you account for this, given that the ring contains three ℼ-electron
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