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 Ti-MCM-41 was synthesized at pH 3، 7 and 11. The titanium content was determined by AAS and found to be 4%، 3.2% and 4.5%، respectively. In order to increase the titanium content in Ti-MCM-41، Ti(IV) ions were grafted onto Ti- MCM-41 using TiCl4 in toluene and Ti(OBu)4 in ethanol. The incorporation of Ti was determined to be 28% and 30%، respectively. The oxidation of olefins such as cyclopentene، cyclohexene، norbornene and trans-2-hexene-1-ol with TBHP in the presence of Ti-grafted Ti-MCM-41 were carried out in CHCl3. This system successfully catalized the oxidation of these olefins toward the corresponding epoxides with 60 to 90% reactivity and 95 to 100% selectivity.