tetrakis(triphenylphosphine) palladium(0); potassium carbonate in water; N,N-dimethyl-formamide Suzuki-Miyaura coupling; 0.25 h; Inert atmosphereMicrowave irradiation;

1: ortho-nitrobenzoic acid With potassium carbonate in various solvent(s) T=120°C; 0.5 h; 2: 1-trifluoromethyl-4-bromobenzene With 1,10-phenanthroline; copper(l) iodide in various solvent(s) T=160°C; 24 h; Further stages.;

P(t-Bu)2Me*HBF4; palladium diacetate; potassium carbonate; 2,2,2-trimethylacetic acid in 1,3,5-trimethyl-benzene T=125°C; 16 h; Inert atmosphere; regioselective reaction;

tetrakis(triphenylphosphine) palladium(0); potassium carbonate in water; N,N-dimethyl-formamide T=80°C; 5 h; Inert atmosphere;

1,2-bis-(diphenylphosphino)ethane T=150°C; Cadogan cyclization; 5 h; Neat (no solvent)Inert atmosphere;