For economic and ecological reasons, organic synthetic chemists face an increasing obligation to optimize their synthetic methods in oder to produce the desired product in high yield and selectivity through a safe and environmentally acceptable process. Ionic liquid (IL) technology when use in place of classical organic solvents, catalyst offers a new and environmentally benign approach toward modern synthic chemistry. They enjoy a variety of special property (no vapour pressure, good thermal stability, recovery…).In this project we could synthesize bronsted acidic ionic liquid, morpholinium hydrogen sulfate and used in some reactions. Protections of functional groups are indispensable ingredients of the synthesis of poly functional compounds. Acylals as protecting groups for carbonyl compounds and tetrahydropyranyleters as protecting groups for alcohols, because of their stability in neutral and basic media as, well as towards aqueous acids. Hence methods for their synthesis have received considerable attention. Esterification of is an important reaction in both laboratory work and in organic industry. Esters ranging used as plasticizers, solvents, perfumes, and flavor chemicals. We report here mild and efficient methods for synthesis products. In the last part of this project aldehydes reduce with (TMAMH) in solvent-free condition.