Catalyst used for the enantioselective reduction of ketones, hetero Diels-Alder reaction, carbonylene reaction, 1,3-dipolar cycloaddition · Schiff base-cobalt complex catalyst for asymmetric borohydride reduction of carbonyl compounds Catalyst for: Enantioselective borohydride reduction Stereoselective preparation of aryl alcohols via asymmetric reduction of aryl ketones with borohydride Stereoselective borohydride reduction of diketones to diols Stereoselective preparation of optically active deuterated primary alcohols via enantioselective borodeuteride reduction of aldehydes Stereoselective preparation of β-hydroxy esters via dynamic kinetic resolution of alkylketo esters with enantioselective borohydride reduction Chemoselective, diastereoselective, and enantioselective borohydride reduction of 1,3-diketones Asymmetric synthesis of diarylhydroxypropanones by stereoselective reduction of alkyldiaryldiketones