Synthesis, computational studies and antioxidant activity of some 3-(2-alkylamino-4-aminothiazole-5-oyl) pyridines

A series of thiazoloylpyridine derivatives has been synthesized and analyzed to confirm the structure of the product using IR, 1H and 13C NMR, mass spectra and analytical data. Optimized structural and electronic parameters of all the compounds have been calculated by using B3LYP/ 6-31G basis set. The Mulliken charges of all atoms have been evaluated. The calculated IR spectrum has been analyzed by comparing the experimental IR. All the synthesized compounds have been examined for antioxidant activities. The antioxidant activity of 3-(2-alkylamino-4-aminothiazol -5-oyl)pyridines have been analyzed using DPPH radical scavenging assay. The compounds 6a and 6b possess higher radical scavenging activity.