1: 2-methanesulfonyl-benzoic acid With potassium carbonate in various solvent(s) T=120°C; 0.5 h; 2: para-bromotoluene With [2,2']bipyridinyl; copper(l) iodide in various solvent(s) T=160°C; 24 h; Further stages.;

3-chloro-benzenecarboperoxoic acid in dichloromethane T=20°C; 18 h;

[Cu(Phen)(PPh3)2]NO3; palladium diacetate in 1-methyl-pyrrolidin-2-one T=170°C; 1 h; SonicationContinuous flow reactor;

[Cu(Phen)(PPh3)2]NO3; potassium tert-butylate; palladium diacetate in 1-methyl-pyrrolidin-2-one T=170°C; 1 h; SonicationContinuous flow reactor;