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Synthesis of Tetraaza[8]circulenes from Tetrathia[8]circulenes through an SNAr-Based Process.

Yuya NagataShohei KatoYoshihiro MiyakeHiroshi Shinokubo
Published in: Organic letters (2017)
The synthesis of highly planar tetraaza[8]circulenes from tetrathia[8]circulenes through oxidation followed by a nucleophilic aromatic substitution reaction with arylamines is presented. Photophysical and electrochemical properties of tetraaza[8]circulenes were investigated and compared to those of tetrathia[8]circulenes. The tetraaza[8]circulene exhibited bright fluorescence both in solution and solid states.
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