1: 1-(3,4-dichlorophenyl)-1,2-dihydronaphthalene With benzo[1,3,2]dioxaborole; (S)-QUINAP in dichloromethane T=20°C; 12 h; 2: With diethylzinc in toluene T=20°C; 2 h; 3: N-chloro-N-methylamine in diethyl ether; water T=0°C; 0.0833333 h; Further stages.;