1: potassium carbonate / acetonitrile / 24 h / 60 °C 2: sodium iodide / acetone / 7 h / |Reflux 3: nickel dichloride; bis(cyclopentadienyl)titanium dichloride; tri-cyclo-hexyl-phosphine; manganese; water / tetrahydrofuran / 20 °C / |Inert atmosphere View Scheme

palladium on activated charcoal; ethanol Hydrogenation;