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Bulletin of the Chemical Society of Japan
Vol. 88 (2015) No. 6 P 850-856

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http://doi.org/10.1246/bcsj.20150047

 

Bis- and tris-fused π-electron donors containing one or two vinylogous 1,3-dithiole[5]radialene unit (710) were successfully synthesized. Cyclic voltammetry revealed that the first redox waves of 710 correspond to simultaneous four-electron or eight-electron redox processes because of significant contribution of the moieties of vinylogous 1,3-dithiole[5]radialene exhibiting a simultaneous four-electron redox. The UV–vis–NIR spectra of the oxidative species of 710 generated by constant voltages exhibited absorption bands attributed to (79)2+ and 104+ with structures of dicationic 1,3-dithiole[5]radialene vinylogs.

Copyright © 2015 The Chemical Society of Japan

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