Breathing New Life into Nonalternant Hydrocarbon Chemistry: Syntheses and Properties of Polycyclic Hydrocarbons Containing Azulene, Pentalene, and Heptalene Frameworks

Azulene 1, pentalene 2, and heptalene 3 are classical nonalternant hydrocarbons. Their fascinating π-frameworks, consecutive arrangements of odd-membered carbocycles, have engaged chemists’ attention for some time. In this review, we describe the salient revivals of these nonalternant hydrocarbons t...

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Bibliographic Details
Published in:Chemistry letters 2021-01, Vol.50 (1), p.195-212
Main Authors: Konishi, Akihito, Yasuda, Makoto
Format: Article
Language:English
Subjects:
Azulene
Chemists
Hydrocarbons
Landmarks
Organic materials
Properties (attributes)
Vol. 50 Commemorative Highlight Review: Materials Chemistry
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Summary:Azulene 1, pentalene 2, and heptalene 3 are classical nonalternant hydrocarbons. Their fascinating π-frameworks, consecutive arrangements of odd-membered carbocycles, have engaged chemists’ attention for some time. In this review, we describe the salient revivals of these nonalternant hydrocarbons that are incorporated into polycyclic π-systems. Historical landmarks, recent studies, and fundamental properties, as well as potential applications to functional organic materials, are documented.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.200650