Sources of drugs from plant, animals and Vineral sources have been increasing with the time but due to lack of potential actions and definitive cure and sometimes more toxicity, the discovery of new drugs that are more potential and less toxic is essential. The synthesisof derivatives has been an important part and is aimed at modifying the action of drugs,particularly to reduce the side effects and to potentiate the drug action. Today more than60% of the drugs used in practice are synthesized derivatives and day by day the scope ofsynthetic medicinal chemistry is broadening.Oxadiazoles are...