((CH3)2C(CH2NCON(CH(CH3)2)2)2)Zr(CH2Ph)2; aniline in deuterated toluene T=110°C; 2 h; Inert atmosphereSealed tube; stereoselective reaction;

anhydrous iron chloride; potassium tert-butylate; N,N-dimethylethylenediamine in toluene T=145°C; 2 h; Inert atmosphere; optical yield given as percent deregioselective reaction;