الفهرس 
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Abstract
Catalysis is a fundamental process that plays a crucial role in various fields, ranging from chemistry and biology to industry and environmental science. At its core, catalysis is the process of accelerating or enhancing a chemical reaction by the presence of a catalyst. A catalyst is a substance that increases the rate of a reaction without being consumed in the process, making it an efficient and sustainable way to drive chemical transformations. Unlike homogeneous catalysts, which are in the same phase as the reactants, heterogeneous catalysts are typically in a different phase, such as a solid catalyst in a liquid or gaseous reaction. This characteristic allows for easy separation of the catalyst from the reaction mixture, making it reusable and cost-effective. Heterogeneous catalysts play a crucial role in various industrial processes, such as petroleum refining, chemical synthesis, and environmental applications. Motivated by the aforesaid outstanding facts and characteristics of ionic liquids, Oxime ligands, ande their metal complexes; we present here the design of a chelating task specific ionic liquid (TSIL) starting from 2,4-lutidine and salicylaldehyde. These raw materials will be incorporated into a hybrid ligand combining lutidinium hexafluorophosphate and a salicylaldehyde moiety. This TSIL will be capable of forming vanadium(IV) complexes for efficient catalytic applications in epoxidation reactions. In this part, we will summarize the sections of our Thesis and the significant findings for this work.