Abstract
In this study, a series of new symmetrical N-carbothioamide substituted bispyrazolines (2a-f) had been systematically synthesized by using ring closure reactions of bischalcones (1a-f) with thiosemicarbazide under the alkaline-alcoholic conditions. The structures of bisheterocyclic products have been fully characterized on the basis of their IR, 1H & 13C NMR and ESI-MS spectral strategies. All the prepared compounds were also evaluated for their in vitro antimicrobial assay with the help of serial tube dilution procedure against the selected numbers of microbes (seven bacterial and five fungal strains). The most of the synthesized bisheterocycles exhibited noticeable antimicrobial potencies against the tested strains
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