palladium diacetate; SIDip*HCl in 1,4-dioxane T=100°C; P=760 Torr; 5 h;

1: 4-tert-butyl-benzenesulfonyl chloride With sodium hydrogencarbonate; sodium sulfite AirHeating; 2: 4-cyanotoluene With 1,10-phenanthroline; palladium(II) oxide hydrate; trifluoroacetic acid in 1,4-dioxane; water T=110°C; 20 h; AirClosed vessel;

aluminium trichloride

thionyl chloride 1) THF, -100 deg C, 2a) -78 deg C, 30 min, 2b) RT; Yield given. Multistep reaction;