STUDIES ON SOME SCHIFF BASE COMPLEXES DERIVED FROM 3-HYDROXY-QUINOXALINE-2-CARBOXALDEHYDE AND VARIOUS AMINES WITH MANGANESE (II)

Abstract

Many of the manganese (II) complexes are reported to be highly efficient oxidation catalysts in the oxidation of a wide range of organic compounds including alkyl benzenes, alcohols, carboxylic acids, phenols and ethers [1]. Mn (II) SALEN complexes are widely known as epoxidation catalysts for many years [2-6]. The manganese (II) complexes of Schiff bases containing heterocyclic ring systems are interesting to understand the oxidation state accessibility of Mn (II) due to the deactivation caused by the heteroatom compared to the carbocyclic ring system.