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Synthesis, spectral study and antimicrobial activity of some new 2-n-butyl-4-chloro-5-formyl imidazole (BCFI) analogues

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Pankhaniya P., Savaniya N. P., Bhoraniya N. C., Patel H. K., Purohit D. M.
World News of Natural Sciences
|
2024
|
vol. 55
69-78
EN
New chalcone derivatives (7a-7j) and thiosemicarbazone derivatives (9a-9j) containing 2-n-Butyl-4-chloro-5-formyl imidazole nucleus have been synthesized and their chemical structure were evaluated using Infrared spectroscopy (IR), Ultra-violet spectroscopy (UV-Vis.), 1H-NMR spectroscopy and mass spectroscopy. All the synthesized compounds were evaluated for their anti-bacterial activities against Gram-positive bacteria Bacillus subtilis & Staphylococcus epidermidis and gram-negative bacterial strain Pseudomonas aeruginosa & Porteous vulgaris. The anti-fungal activity was evaluated against Aspergillus niger. The activity of the compounds were compared with known standards such as streptomycin and nystatin. Among the synthesized chalcone derivatives 7d, 7g & 7h are potentially active against bacterial strains & fungi. Among the thiosemicarbazone derivatives 9a, 9g, 9j & 9i are moderately active against bacterial strains. While 9d & 9j shows good anti-fungal activity.
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