1: sec-phenethyl alcohol With 2,2,6,6-tetramethyl-piperidine-N-oxyl; [bis(acetoxy)iodo]benzene in dichloromethane T=20°C; 16 h; 2: (S)-1-phenyl-ethylamine With sodium tris(acetoxy)borohydride in dichloromethane optical yield given as percent dechemoselective reaction;