4.4 Article

Synthesis and Characterization of Novel Schiff Bases Derived from 2-Butyl-4-chloro Imidazole for the Enhanced Antimicrobial Property

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APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
卷 195, 期 1, 页码 253-263

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SPRINGER
DOI: 10.1007/s12010-022-04112-2

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Schiff base; Ligands; Antibacterial activity; MIC

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In this study, a novel Schiff base ligand was synthesized and shown to have significant antibacterial activity against Escherichia coli and Staphylococcus aureus.
In this study, a novel Schiff base was synthesized which comprises a core moiety of 2-butyl-4-chloro imidazole. The ligand was synthesized by the reaction between the carbonyl compound 4-[(2-butyl-4-chloro-5-formyl-1H-imidazol-1-yl) methyl] benzoate and primary hydrazine compounds such as 2,4-dinitrophenylhydrazine in the presence of an alcoholic solvent and an acid catalyst. The synthesized Schiff base ligand is characterized by mass and spectral analysis including NMR. The appearance of extended conjugation of the pi-electrons system between active 2-butyl-4-chloro imidazole moieties with nitro substituted phenyl ring. The ligands are assessed for an antibacterial activity for Escherichia coli and Staphylococcus aureus to evaluate the inhibition potential by MIC and well diffusion method. The biological activity of the ligand has shown a significant property against the Gram-negative bacterium, E. coli, and Gram-positive bacterium, S. aureus of about 27 mm and 28 mm of inhibitory action, respectively. This study paves the way for the development of novel antimicrobial agents for emerging clinical pathogens.

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