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Stable N,N’-diarylated dihydrodiazaacene radical cations

Three stable N,N’-diarylated dihydroazaacene radical cations were prepared by oxidation of neutral N,N’-diarylated dihydroazaacenes synthesized via palladium-catalyzed Buchwald-Hartwig aminations of aryl iodides with N,N’-dihydroazaacenes. Both neutral as well as oxidized species were investigated v...

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Main Authors: Xie, Gaozhan (Author) , Bojanowski, Maximilian (Author) , Brosius, Victor (Author) , Wiesner, Thomas (Author) , Rominger, Frank (Author) , Freudenberg, Jan (Author) , Bunz, Uwe H. F. (Author)
Format: Article (Journal)
Language:English
Published: 2021
In: Chemistry - a European journal
Year: 2021, Volume: 27, Issue: 6, Pages: 1976-1980
ISSN:1521-3765
DOI:10.1002/chem.202004548
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1002/chem.202004548
Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/chem.202004548
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Author Notes:Gaozhan Xie, N. Maximilian Bojanowski, Victor Brosius, Thomas Wiesner, Frank Rominger, Jan Freudenberg, and Uwe H.F. Bunz
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Summary:Three stable N,N’-diarylated dihydroazaacene radical cations were prepared by oxidation of neutral N,N’-diarylated dihydroazaacenes synthesized via palladium-catalyzed Buchwald-Hartwig aminations of aryl iodides with N,N’-dihydroazaacenes. Both neutral as well as oxidized species were investigated via UV-vis spectroscopy, single crystal analysis, and DFT calculations. All the radical cations are surprisingly stable—their absorption spectra in dichloromethane remain unchanged in ambient conditions for at least 24 hours.
Item Description:First published: 30 December 2020
Gesehen am 18.09.2021
Physical Description:Online Resource
ISSN:1521-3765
DOI:10.1002/chem.202004548

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