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Design, Synthesis and Biological Evaluation of New Piperazin-4-yl-(acetyl-thiazolidine-2,4-dione) Norfloxacin Analogues as Antimicrobial Agents

In an effort to improve the antimicrobial activity of norfloxacin, a series of hybrid norfloxacin-thiazolidinedione molecules were synthesized and screened for their direct antimicrobial activity and their anti-biofilm properties. The new hybrids were intended to have a new binding mode to DNA gyras...

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Bibliographic Details
Published in:Molecules (Basel, Switzerland) Switzerland), 2019-10, Vol.24 (21), p.3959
Main Authors: Marc, Gabriel, Araniciu, Cătălin, Oniga, Smaranda Dafina, Vlase, Laurian, Pîrnău, Adrian, Nadăș, George Cosmin, Novac, Cristiana Ștefania, Matei, Ioana Adriana, Chifiriuc, Mariana Carmen, Măruțescu, Luminița, Oniga, Ovidiu
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Language:English
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Summary:In an effort to improve the antimicrobial activity of norfloxacin, a series of hybrid norfloxacin-thiazolidinedione molecules were synthesized and screened for their direct antimicrobial activity and their anti-biofilm properties. The new hybrids were intended to have a new binding mode to DNA gyrase, that will allow for a more potent antibacterial effect, and for activity against current quinolone-resistant bacterial strains. Moreover, the thiazolidinedione moiety aimed to include additional anti-pathogenicity by preventing biofilm formation. The resulting compounds showed promising direct activity against Gram-negative strains, and anti-biofilm activity against Gram-positive strains. Docking studies and ADMET were also used in order to explain the biological properties and revealed some potential advantages over the parent molecule norfloxacin.
ISSN:1420-3049
1420-3049
DOI:10.3390/molecules24213959