1) The document discusses computational studies of catalytic and oxidative reactions using quantum chemical methods like DFT. 2) It examines mechanisms of reactions like catalytic asymmetric reactions and oxidative cleavage of carbon-carbon double bonds. 3) Key findings include that B3LYP is sufficient for studying catalytic reactions while functionals like M06-2X provide more accurate energies, and weak non-covalent interactions play important roles in stereocontrol.