Microbial resistance to antibiotics
is an urgent and
worldwide concern. Several pyrazole-derived hydrazones were synthesized
by using benign reaction conditions. Several of these molecules are
potent growth inhibitors of drug-resistant strains of Staphylococcus aureus and Acinetobacter
baumannii with minimum inhibitory concentration values
as low as 0.39 μg/mL. Furthermore, these molecules are nontoxic
to human cells at high concentrations. Some of these molecules were
tested for their ability to disrupt the bacterial membrane by using
the SYTO-9/propidium iodide (BacLight) assay.
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