Beilstein J. Org. Chem.2021,17, 2164–2185, doi:10.3762/bjoc.17.139
-containing homo- and copolymers, including brief descriptions of their key properties.
Keywords: azulene; chemical synthesis; copolymer; non-alternanthydrocarbon; organic electronics; polyazulene; Introduction
Azulene (C10H8) is a non-alternant, non-benzenoid, 10 π electron aromatic hydrocarbon containing
, violating Kasha’s rule [6]. These intriguing features have encouraged researchers to use azulene derivatives as functional organic molecules in the field of optoelectronics [7][8][9][10][11][12][13][14]. Employing such stimuli-responsive, non-alternanthydrocarbon with odd-membered rings in the chemical
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Graphical Abstract
Figure 1:
Chemical structure, numbering scheme, and resonance form of azulene.