1: 2: 3-{4-[(6-bromohexyl)oxy]but-1-ynyl}benzenesulfonamide With hydrogen; platinum on activated carbon in industrial methylated spirits T=20°C; 6 h; 0.2 bar hydrogen pressure;

1: 4-[(6-bromohexyl)oxy]-1-butene With 9-bora-bicyclo[3.3.1]nonane in tetrahydrofuran T=20°C; 1.5 h; 2: 3-bromobenzenesulphonamide With potassium dihydrogenphosphate; biphenyl-2-yl-di-tert-butyl-phosphane; palladium diacetate in tetrahydrofuran; water T=20°C; 60 h;