1: With tri-isobutyl aluminium; bis-triphenylphosphine-palladium(II) chloride in dichloromethane T=25°C; 1 h; 2: With iodine in dichloromethane

1: With copper(II) bis(trifluoromethanesulfonate); diisopropyl-carbodiimide T=20°C; 1 h; 2: With N-iodo-succinimide in tetrahydrofuran T=150°C; 0.0833333 h; microwave irradiation;