Encapsulation of manganese Schiff base complex in zeolite Y and their catalytic properties for the oxidation of cyclohexen

condensation of salicylaldehyde, with the L-tyrosine.Interaction of this ligand with Mn (II) exchanged zeolite-Y leads to the encapsulation of ligand in thesuper cages of zeolite followed by complexation with metal ion. This encapsulated metal complex has been characterized by spectroscopic studies and chemicalanalyses. This catalytic system serves as catalyst for the oxidation of cyclohexen to cyclohexen epoxide using H2O2 as an oxidant. A suitable reactioncondition has been optimized for encapsulated catalyst by considering the effect of various parameters such as different solvents, reactiontemperature and amount of oxidant for the maximum transformation of cyclohexan. Thus, this catalytic system shows high activity and selectivity toward cyclohexen epoxidation in acetonitrile at 80 ◦C with [H2O2]/ [C6H10] =10 molar ratio.