Mai Morimoto, Taisuke Matsumoto, Yutsuki Sato, Koji Kubono and Masatsugu Taneda
4 position of 1-amino-3,6-di-tert-butyl-9H-carbazole, which was derived from carbazole through three steps, was oxidatively substituted and a carbazole-1,4-diimine type compound was obtained. The sterically crowded molecular structure of the substituted product was revealed by X-ray crystal structural analysis.
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