Abstract
AbstractThe synthesis of fourteen mono‐cationic and six dicationic analogs of Hoechst 33258 is described. The monocationic benzimiazoles 7a‐7g and the dicationic benzimidazoles 9a‐9c are obtained in five steps starting from 4‐acetamidobenzonitrile. The monocationic bis‐benzimiazoles 12a‐12g are synthesized in four steps starting from 4‐amino‐3‐nitrobenzonitrile. The dicationic bis‐benzimiazoles 17a‐17c are obtained in six steps starting from 4‐amino‐3‐nitrobenzonitrile.
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