Radical cation of dibenzothiophene fully annelated with bicyclo[2.2.2]octene units: X-ray crystal structure and electronic properties |
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Authors: | Yamazaki Daisuke Nishinaga Tohru Komatsu Koichi |
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Institution: | Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan. |
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Abstract: | New dibenzothiophene 2 fully annelated with bicyclo2.2.2]octene units was synthesized and oxidized to stable radical cation salt 2(*+)SbCl(6)(-), whose structure was determined by X-ray crystallography. Although the intrinsic electronic structure of 2(*+) is predicted to be close to structure A, an interaction with the counteranion makes structure B contribute significantly. A part of the salt 2(*+)SbCl(6)(-) underwent rearrangement to arenium ion 6(+), whose structure was also clarified by X-ray crystallography. |
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