Abstract
Abstract: This article reports the microwave-assisted synthesis, characterization, and evaluation of some -4-one derivatives (2a-2h) for their in-vitro antimycobacterial activities against Mycobacterium tuberculosis H37Rv strain by microplate Alamar blue assay (MABA) method. All these final compounds (2a-2h) were synthesized from Schiff’s bases, 1-arylidene-2-(4-methylphenyl)hydrazines (1a-1h), and thioglycolic acid by using zinc chloride as a catalyst. Compounds (1a-1h) were synthesized from the reaction of 4-methylhydrazine and appropriate aromatic aldehydes by Schiff’s reaction. Among the target compounds, 2-(4-ethoxyphenyl)-3-(4-methylarylamino)thiazolidin-4-one (2f) and 2-(4-ethylphenyl)-3-(4-methylarylamino)thiazolidin-4-one (2g) were promising with a minimum inhibitory concentration (MIC) of 12.5 μg/mL against M. tuberculosisH37Rv. Based on the preliminary results, compounds 2f and 2g were considered as lead compounds for the advanced design and development of antimycobacterial agents.
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