palladium on activated charcoal T=300 - 320°C; 2 h;

1: 86 percent / 10percent Pd/C / 2 h / 300 - 320 °C 2: 78 percent / Br2 / chlorobenzene / 0.25 h / Ambient temperature 3: 91 percent / Cl2 / various solvent(s) / 0.33 h / Ambient temperature 4: 95 percent / n-Butyllithium/hexane / diethyl ether / 0.5 h / Heating 5: hexamethylphosphoric acid triamide / 20 h / 100 °C 6: 66 percent / n-Butyllithium / diethyl ether / 0.5 h / Heating 7: 99 percent / Ethanethiol, NaH / dimethylformamide / 3 h / Heating View Scheme