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In a one-pot reaction involving 3-(2-aminothiazol-5-yl)-2H-chromen-2-one/5-(naphthalen-1-yl)thiazol-2-amines 5-6 with various substituted aldehydes and mercaptoacetic acid, we obtained the corresponding 2-(4-substituted-phenyl)-3-5-(2-oxo-2H-chromen-3-yl)thiazol-2-yl thiazolidin-4-ones 8(a-h) and 2-(4-substituted-phenyl)-3-5-(naphthalen-1-yl)thiazol-2-yl thiazolidin-4-ones 9(a-h). The antimicrobial activity of all compounds was evaluated against Pseudomonas aeruginosa (MTCC-424), Salmonella typhi (MTCC-531), Staphylococcus aureus (MTCC-737), and Candida albican (MTCC-227). Molecular docking further supported the findings, which showed that the compounds 8d and 9d had excellent antibacterial action against all tested pathogens.
Pawar et al. (Wed,) studied this question.