hexacarbonyl molybdenum in water; acetonitrile T=85°C; 1 h;

1: Mo(CO)6 / acetonitrile; H2O / 1 h / 85 °C 2: 81 percent / triphenylphosphine; diethyl azodicarboxylate / tetrahydrofuran / 48 h / 20 °C 3: 99 percent / hydrazine hydrate / ethanol / 1 h / Heating 4: 99 percent / TsOH / toluene / 0.5 h / Heating 5: toluene; diethyl ether / 0.42 h / 0 °C 6: zinc / acetic acid; tetrahydrofuran; H2O / 4 h / 60 °C View Scheme