Abstract

Background: Thiazoldin-4-one derivatives have been a subject of significant scientific exploration due to their potent biological activity as anti-infective agents. Methods: In the present investigation, a number of imidazoles bearing thiazolidin-4-one derivatives have been synthesized by suitable reactions of imidazole involving formation of ester, hydrazide, hydrazone and thiazolidin-4-one derivatives. The synthesized compounds have been characterized by suitable spectroscopic methods. The compounds have been evaluated for their antibacterial, antifungal and anthelmintic activities. Results: Compounds 5o and 5p with a 4-nitro substitution were observed to be most active against Staphylococcus aureus and Pseudomonas fluorescens with zone of inhibition of 23.3±0.3 mm and 29.0±0.9 mm respectively. Compound 5n with a para dimethyl amino substitution was most active against B. subtilis and E. coli with zone of inhibtion 21.0±0.6 and 26.5±0.6 respectively. Compounds 5g and 5h with 3-hydroxy substitution were found to be the most active against C. albicans and C. glabrata. Compound 5j having a fluoro substitution exhibited most potent anthelmintic activity among the synthesized compounds. Conclusion: Most of the synthesized compounds have shown moderate to good activities. Results of the present investigation reveal that further scientific research can be undertaken on these compounds to reveal interesting structure activity relationships for optimum utilization of these compounds.

Keywords: Antibacterial, Antifungal, Anthelmintic, Thiazolidin-4-one, triazole.

Graphical Abstract