Substituent and counterion effects on the formation of p-dimer dications of end-capped heptathienoacenes
Ferron, C.C., Delgado, M.C.R., Hernandez, V., Navarette, J.T.L., Vercelli, B., Zotti, G., Cortada, M.C., Novoa, J.J., Niu, W., He, M. and Hartl, F. (2011) Substituent and counterion effects on the formation of p-dimer dications of end-capped heptathienoacenes. Chemical Communications (47). pp. 12622-12624. ISSN 1359-7345
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To link to this article DOI: 10.1039/c1cc14566e
We have investigated the impact of the functionalization and the chemical nature of counterions on the p-dimer dications formation in two end-capped heptathienoacenes. Radical cations of an a-substituted heptathienoacene with triisopropylsilyl groups do not p-dimerize, while those of an a,b-substituted heptathienoacene with four n-decyl side chains show a high propensity toward p-dimerization, increased by PF6 ÿ counterions.