STUDY OF OLEFIN EPOXIDATION USING BINUCLEAR MN(II) COMPLEXES AS CATALYST IN PRESENCE AND ABSENCE OF UV-LIGHT

Mn(II) binuclear complexes of Schiff base ligands have been synthesise d by the reaction of MnCl2.2H(2)O in ethanolic solution with the Schif f base obtained by the condensation of pyridine-2-carboxaldehyde and l onger aromatic diamines like 44' diamino diphenyl, 44' diamino dipheny l methane and 44' diamino diphenyl ether respectively. These complexes have been characterised by elemental analysis, spectral, magnetic, el ectrochemical and FAB mass spectral studies. These complexes have been used as catalyst for the epoxidation of olefin using iodosyl benzene as oxidant. The combined effect of light and catalyst on the catalytic activity have also been investigated. (C) 1998 Elsevier Science B.V.