SYNTHESIS OF ALKALI AND TRANSITION METAL SALTS OF BIOLOGICALLY ACTIVE ORGANIC ACIDS TO INVESTIGATE THE BIOLOGICAL ACTIVITIES

Abstract

The present study reports the successful synthesis and characterization of a series of potassium salts of organic acids (1–6) and their corresponding cobalt carboxylate potassium salts. The transformation from ligands to potassium salts was confirmed through notable changes in physical state, solubility, color, and melting point behavior. While the parent ligands were insoluble in water, their synthesized potassium salts exhibited high aqueous solubility, whereas the corresponding carboxylate salts showed partial or negligible solubility. Distinct color variations were observed between ligands and their potassium salts, further supporting successful salt formation. The melting points of the potassium salts ranged between 200–400°C, generally lower than those of the parent ligands, indicating structural modification.