Y[bis(trimethylsilyl)amide]3; 4-chloro-aniline in toluene T=100°C; 17 h;

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;