1: With potassium acetate in dimethyl sulfoxide 0.166667 h; 2: With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct in dimethyl sulfoxide T=100°C;

bis(η4-1,5-cyclooctadiene)-di-μ-methoxy-diiridium(I); 3,4,7,8-tetra-methyl-1,10-phenanthroline in tetrahydrofuran T=20°C; 25 h; Inert atmosphereGlovebox;