potassium hydroxide; oxygen; tetrabutylammomium bromide in N,N,N',N'-tetramethyl-urea T=20°C; 7 h;

1: benzyl alcohol With sodium hydride in tetrahydrofuran T=20°C; 1 h; 2: 3,5-dibromo-1-fluorobenzene in tetrahydrofuran T=20°C; 12 h;

1: benzyl alcohol With sodium hydride in tetrahydrofuran T=20°C; 1 h; 2: 3,5-dibromo-1-fluorobenzene in tetrahydrofuran

1: benzyl alcohol With sodium hydride in N,N-dimethyl-formamide T=55°C; 0.166667 h; 2: 1,3,5-tribromo benzene in N,N-dimethyl-formamide T=55 - 120°C; 4 h;

1: 3,5-dibromo-phenol With potassium carbonate in acetone T=20°C; 2: benzyl bromide in acetone T=20°C; 16 h;

AlCl3, aluminium chloride; N,N-dimethyl-aniline in dichloromethane T=20°C; 0.5 h;

1: tris(dibenzylideneacetone)dipalladium(0) chloroform complex; 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; sodium t-butanolate / toluene / 90 °C / Inert atmosphere 2: [1,1'-bis(diphenylphosphino)ferrocene]dichloropalladium(II) complex with dichloromethane; potassium acetate / dimethyl sulfoxide / 80 °C / Inert atmosphere 3: tetrakis(triphenylphosphine) palladium(0); sodium carbonate / ethylene glycol dimethyl ether; water / 85 °C 4: methanol; 10 palladium on activated charcoal; formic acid; ammonium formate View Scheme