1: With hydrogenchloride; sodium nitrite T=0°C; 0.25 h; 2: With potassium iodide in water

copper(l) iodide; 1,10-phenanthroline; potassium iodide in methanol; water T=80°C; 1 h; High pressure;

1: bis(η4-1,5-cyclooctadiene)-di-μ-methoxy-diiridium(I); dtbpy / tetrahydrofuran / 24 h / 80 °C / |High pressure; |Inert atmosphere 2: 1,10-phenanthroline; copper(l) iodide; potassium iodide / methanol; water / 1 h / 80 °C / |High pressure View Scheme

hypodiphosphonic acid; sodium nitrite