1: [RhCl(η2:η2-cycloocta-1,5-diene)]2 / tetrahydrofuran / 20 °C / |Inert atmosphere 2: potassium carbonate; methanol / tetrahydrofuran / 5 h / |Inert atmosphere 3: neat (no solvent) / 0.25 h / 150 °C / |Inert atmosphere; |Microwave irradiation 4: Pd(OH)2/C; hydrogen / ethanol / 0.5 h / 20 °C View Scheme