Cr(Salen)] as a 'bridge' between asymmetric catalysis,Lewis acids and redox processes

An overview focused on the synthesis, structural features and catalytic applications of chiral Cr(Salen)] complexes is presented. Key aspects of modern organic chemistry such as Lewis acids, asymmetric catalysis and redox processes are strictly connected with chronium-Schiff base complexes. Among the asymmetric transformations mediated by Cr(Salen)] complexes, Diels-Alder and hetero-Diels-Alder reactions, ARO of epoxides, kinetic resolution of meso-epoxides and Nozki-Hyama reactions are taken into account.