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Published on: September 8, 2016
Mono- and Dianion of a Bis(benzobuta)tetraazapentacene Derivative
Lei Ji1,2, Sebastian Hahn3, Phillip Biegger3
1Institut für Anorganische Chemie and Institute for Sustainable Chemistry, & Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany.
Abstract:
A bis(benzobuta)tetraazapentacene derivative was reduced to its radical anion and its dianion, using potassium [18]crown-6 anthracenide in THF. Both reduced species were characterized by UV/Vis spectroscopy of the isolated species and by spectroelectrochemistry. Two distinct single-crystal structures of the dianion and an EPR spectrum of the radical anion were obtained. Contrary to other azaacenes, the lowest energy absorption in the UV/Vis spectrum of the dianion is redshifted in comparison to that of the neutral compound.
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