2002•Organic LettersRequires access

Aromaticity of Butalene and Its Homologues

Berk Hess, L. J. Schaad

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Abstract

[structure: see text] The aromaticity of a series of fused cyclobutadiene systems is discussed in terms of their resonance energies. While there is considerable variation in their resonance energies per pi electron, all members of the series are calculated to be antiaromatic, though to a lesser degree than the parent cyclobutadiene.

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[structure: see text] The aromaticity of a series of fused cyclobutadiene systems is discussed in terms of their resonance energies. While there is considerable variation in their resonance energies per pi electron, all members of the series are calculated to be antiaromatic, though to a lesser degree than the parent cyclobutadiene.

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Available abstract

[structure: see text] The aromaticity of a series of fused cyclobutadiene systems is discussed in terms of their resonance energies. While there is considerable variation in their resonance energies per pi electron, all members of the series are calculated to be antiaromatic, though to a lesser degree than the parent cyclobutadiene.

Key concepts: Antiaromaticity, Cyclobutadiene, Aromaticity, Chemistry, Resonance (particle physics), Computational chemistry, Series (stratigraphy), Idiosyncrasy

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