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This study is concerned with the synthesis and characterization of new liquid crystalline compounds that contain bis and quaternary terminal substitution, which were synthesized starting from thiocarbohydrazide. The liquid crystalline properties of the prepared compounds, the effect of these ends on the mesogenic properties and their Transitional stability were verified using a hot-stage polarizing optical microscope (POM) and differential scanning calorimeter (DSC). The synthesized compounds were characterized using FTIR, CHNS analysis, and 1H-NMR. The examination of antibacterials showing data results that about all the compounds [S]4,5 are dynamic and have mild to good antibacterial factivity with concs. (10,25,50, 100)μg/mL.
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