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The first fully characterized 1,3-polyazulene: high electrical conductivity resulting from cation radicals and
Fuke Wang1, Yee-Hing Lai, N M Kocherginsky
1Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543.
Organic Letters
|March 28, 2003
Abstract:
[reaction: see text] 1,3-Polyazulene prepared by the chemical polymerization of 1,3-dibromoazulene with Ni(COD)(2) was aptly characterized by spectroscopic analysis. The azulene units remain intact in the isolated polymer. Protonation of 1,3-polyazulene by trifluoroacetic acid was found to exhibit high conductivity and paramagnetic properties via the formation of cation radicals and di- and polycations.