Abstract
AbstractA convenient synthetic protocol to antiviral agent B‐220 and a series of similar indolo[2,3‐b]quinoxaline derivatives has been developed. This synthetic approach is based on Buchwald‐Hartwig cross‐coupling and subsequent annulation by intramolecular oxidative cyclodehydrogenation. For the first time, 6H‐indolo[2,3‐b]quinoxaline amine derivatives were evaluated for antimycobacterial activity. The moderate bacteriostatic effect against Mycobacterium tuberculosis H37Rv was found. A plausible mechanism of antibacterial action was elucidated by the molecular docking.
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