1: N-(2-bromophenyl)-O-benzyl carbamate With n-butyllithium in diethyl ether; hexane T=-78°C; 1 h; 2: chloro-trimethyl-silane in diethyl ether; hexane T=-78 - 20°C; 18 h; 3: With palladium 10 on activated carbon; hydrogen T=20°C; 24 h;

ammonium hydroxide; bis(triphenylphosphine)palladium(II)-chloride; copper monoiodide in ethanol; dichloromethane; triethylamine

ethanol; nickel Hydrogenation;

1: 2-bromo-N,N-bis(trimethylsilyl)aniline With n-butyllithium in diethyl ether T=-60 - -40°C; 1 h; 2: chloro-trimethyl-silane in diethyl ether T=-20°C; 3: With hydrogenchloride in diethyl ether T=-7 - -5°C; Further stages.;