A new library of N,N,N’,N’ -tetradentate pyrazoly compounds containing a pyrazole moiety was synthesized by
the condensation of (3,5-dimethyl-1H-pyrazol-1-yl)methanol 2a or (1H-pyrazol-1-yl)methanol 2b with a series of primary
diamines in refluxed acetonitrile for 6h. The antifungal activity against the budding yeast Saccharomyces cerevisiae, as
well as the antibacterial activity against Escherichia coli of these new tetradentate ligands were studied. We found that
these tetradentate ligands act specifically as antifungal agents and lack antibacterial activity. Their biological activities depend
on the nature of the structure of the compounds.
Keywords: Tetradentate pyrazole, synthesis, donor-groups, antibacterial, antifungal.
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