1: trimethyloxosulfonium iodide With sodium hydride in tetrahydrofuran; mineral oil T=70°C; 1 h; Inert atmosphere; 2: 1-(3-bromophenyl)ethanone in tetrahydrofuran; mineral oil 48 h; Inert atmosphere;

3-chloro-benzenecarboperoxoic acid in dichloromethane T=0°C; Schlenk techniqueInert atmosphere;

trimethylsulphonium methyl sulphate

methanol; potassium hydroxide; sulfuric acid Multistep reaction;

[Pd2H2(1,3-bis(diphenylphosphino)propane)3](TfO)2 in tetrahydrofuran T=140°C; 24 h; Schlenk techniqueInert atmosphereGlovebox;