1: 93 percent / lithium hydroxyde monohydrate / methanol; H2O / 0.17 h / 0 °C 2: 1.) triethylamine; 2.) 2 percent citric acid; / CH2Cl2 / 0.5 h / Ambient temperature 3: potassium carbonate, lithium bromide / acetone / 0.5 h / Heating 4: 92 percent / molibdenumhexacarbonyl / acetonitrile; H2O / 1.5 h / Heating 5: 95 percent / 75 percent acetic acid / tetrahydrofuran / 24 h / Ambient temperature View Scheme