Transition metal Schiff-base complexes chemically anchored on Y-zeolite: their preparation and catalytic epoxidation of 1-octene in the suspension and phase boundary systems

The Schiff-base (APTSsal) transition metal complexes anchored on Y-zeolite were prepared and characterized. The anchored Schiff-bases imposed stable planar coordination sphere on the metal ions, allowing epoxidation of 1-octene in the axial position in the presence of molecular oxygen. The epoxidation of 1-octene was also achieved by employing the partly modified Y-zeolite with n-octadecyltrichlorosilane (OTS) Schiff-base complexes in the presence of 30% H2O2 under a phase-boundary system.