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Langhals, Heinz; Reichherzer, Susanne; Mayer, Peter; Polborn, Kurt (2020): A Three-Step Synthesis of 1,7-Diazaperylene and Derivatives. In: Synthesis-Stuttgart, Vol. 53, No. 04: pp. 713-722
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1,7-Diazaperylene and various derivatives were synthesised in an upscaleable route from 1,5-diaminoanthraquinone and its Meerwein reaction with acrylonitrile and subsequent cyclisation with ammonia. The application of tert-butyl alcohol as the solvent led to a significant improvement in the Meerwein reaction.