1: 4-bromo-N,N-dimethyl-aniline With tert.-butyl lithium in tetrahydrofuran T=-78°C; 1 h; 2: With tellurium in tetrahydrofuran T=20°C; 1 h; 3: 3-phenoxy-1-bromopropane in tetrahydrofuran 16 h; Heating / reflux;