Author(s): Bradbury BJ, Pucci MJ
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Abstract Bacterial topoisomerase inhibitors continue to be actively developed as clinical antibacterial agents, largely owing to the success of the currently marketed inhibitors, the quinolones, and the increasing resistance to these agents. New quinolone analogs such as isothiazoloquinolones and quinazolinediones show some potential in overcoming this problem. Quinolones linked to other antibacterial agents such as rifamycins and oxazolidinones are designed to overcome both quinolone-specific resistance and resistance to the coupled agents. Novel inhibitors targeting non-quinolone-binding regions of topoisomerase continue to expand beyond the known coumarin class. The benzimidazoles and pyrazoles have shown promise but have been surpassed into the clinic by novel quinolines. Improved screening techniques and high-throughput methods offer new hope of further expanding the chemical space of topoisomerase inhibitors.
This article was published in Curr Opin Pharmacol
and referenced in Organic Chemistry: Current Research