tetrakis(triphenylphosphine) palladium(0); caesium carbonate in tetrahydrofuran; water; N,N-dimethyl-formamide T=57°C; Suzuki cross-coupling; 2 h;

sodium hydroxide; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran; water; N,N-dimethyl-formamide T=70°C; Suzuki cross-coupling; 14.5 h;

tetrakis(triphenylphosphine) palladium(0); potassium carbonate in tetrahydrofuran; water; N,N-dimethyl-formamide T=75°C; Suzuki cross-coupling; 3 h;