1: 1-(4-bromophenyl)-N,N-dimethylmethanamine With n-butyllithium in tetrahydrofuran T=-78°C; 1 h; 2: tributoxyborane in tetrahydrofuran T=-78 - 0°C; 1 h; 3: With water in tetrahydrofuran T=0°C;

sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether; water T=120°C; 2 h;