phosphorus oxytribromide T=150°C; 6 h; Inert atmosphere;

phosphorus; bromine in acetic acid T=25°C; 4 h;

tetrakis(triphenylphosphine) palladium(0); potassium hydroxide in water; toluene Suzuki-Miyaura coupling; 24 h; Inert atmosphereReflux;

bis-triphenylphosphine-palladium(II) chloride; tetrabutylammomium bromide; potassium carbonate in acetonitrile T=90°C; Stille coupling; 4 h; Inert atmosphereSealed tube;

dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; caesium carbonate in tetrahydrofuran; water Suzuki-Miyaura coupling; 24 h; Inert atmosphereReflux;

1: 95 percent / KOH / ethanol; methanol / 2 h / 60 °C 2: 90 percent / m-CPBA / CHCl3 / 12 h / Ambient temperature 3: 1) C6H5MgBr / 1) THF, 40 deg C, 1 h, 2) room temperature, 3 h View Scheme

1: bis-triphenylphosphine-palladium(II) chloride; tetrabutylammomium bromide; potassium carbonate / acetonitrile / 4 h / 90 °C / Inert atmosphere; Sealed tube 2: MnIII(L-3,5-t-Bu)(Cl); 4-methylmorpholine N-oxide; 3-chloro-benzenecarboperoxoic acid / -78 °C View Scheme