Imidazole and its derivatives are assigned as an exclusive and multifaceted skeleton because of having a variety of applications in medicinal and synthetic organic chemistry as well as in the field of industrial chemistry. For these perspectives, various elegant methods for imidazoles and its derivatives have been developing over the last years using different types of catalyst to improve selectivity, purity, and yield of the product. Thus, we have reviewed various synthetic routes for the formation of imidazoles and their applications from 2014 to 2016.
Substituted imidazole analogues 2‐((5‐acetyl‐4‐methyl‐1‐phenyl‐1H‐imidazole‐2‐yl)thio)‐N‐phenylacetamides (3a–3m) have been synthesized from 1‐[1‐(phenyl)‐2‐mercapto‐4‐methyl‐1H‐imidazol‐5‐yl]‐ethanone (1a–1e) and 2‐chloro‐N‐phenylacetamide (2a–2i) in the presence of potassium carbonate as a catalyst in dimethylformamide under microwave irradiation as well as conventional method. Structures of the obtained compounds have been confirmed by advance spectroscopic techniques such as IR, 1H NMR, 13C NMR, and mass spectrometry. All the synthesized compounds were tested for their in vitro antimicrobial and antituberculosis activities. Good antibacterial molecules were further screened for the bacterial resisted cell line, from which compound 3b shows maximum inhibition. In silico molecular docking study was carried out to discover the binding affinity of synthesized compounds with active site of transferase (PDB ID: 1HNJ) and antibiotic resistance (PDB ID: 1W3R) protein. Moreover, molecular dynamics study of the 3b‐1W3R complex has also been performed, as 3b has a good antibacterial activity as compared with other.
In recent year, the development of new drugs as antibacterial agents is an important resolution to overcome drug‐resistant pathogens. Imidazole derivatives were synthesized using the microwave irradiation method and were characterized using spectral analysis techniques such as proton nuclear magnetic resonance, mass, and Fourier transform infrared spectroscopy. All the analogous were assessed for their in vitro antimicrobial activity and in silico; minimum inhibition concentration values of some conjugates were evaluated against extended spectrum beta‐lactamases, vancomycin‐resistant enterococci, and Methicillin‐resistant Staphylococcus aureus strains from clinical samples. All the analogous were used as ligands in molecular docking and adsorption, distribution, metabolism, and excretion against saDHPS. Furthermore, compounds were also examined for their in vitro antituberculosis and antimalarial activity.
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