Radical cations and anions from some simple polythiophenes: an ESR investigation
- 1 January 1990
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 6,p. 931-935
- https://doi.org/10.1039/p29900000931
Abstract
The radical cations and anions of the four lower oligomers of thiophene have been generated and characterized by means of ESR spectroscopy, with the exception of bi- and quinque-thienyl radical cations. cis–trans isomerism about the interannular bonds, similar to that previously reported for 2,2′-dithienyl radical anion, has been observed for terthienyl cation and anion radicals, while no direct evidence of such isomerism could be obtained for quaterthienyl and quinquethienyl.Keywords
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