This compound is a chiral manganese(III) salen complex, known as Jacobsen's catalyst. It is primarily utilized as a catalyst in asymmetric epoxidation reactions, facilitating the stereoselective oxidation of alkenes to epoxides. This capability makes it essential in the synthesis of enantiomerically pure fine chemicals and pharmaceuticals. It is also effective in other oxidation processes of organic substrates and in the polymerization of certain monomers, contributing to specialized polymers. Its stability, efficiency, and precise stereocontrol under various reaction conditions make it a preferred choice in industrial and research applications.