acetic acid; zinc; [oxovanadium(IV)(salen)] in acetonitrile 1.08333 h;

1,4-dioxane; silver carbonate; benzene Behandeln des Reaktionsprodukts mit Kaliumhydrogencarbonat in wss. Methanol;

1: 55.2 percent / Hg(CN)2 / benzene; nitromethane / 5 h / 60 °C 2: 70.8 percent / sodium methoxide / methanol / 24 h / Ambient temperature 3: 47.5 percent / 0.05M sulfuric acid / ethanol / 2 h / Heating 4: 38.1 percent / H2 / 10percent palladium-on-carbon / ethanol; acetic acid; H2O / 12 h / Ambient temperature 5: 35.7 percent / sodium methoxide / methanol / 12 h / Ambient temperature View Scheme

1: 18 percent / dimethylformamide / Ambient temperature 2: 83.5 percent / 0.5 M sodium methoxide / methanol / 4 °C View Scheme

1: 93 percent / Ag2O; molecular sieves 4 Angstroem / CH2Cl2 / 24 h / 20 °C 2: 95 percent / H2 / Pd(OH)2/C / tetrahydrofuran; methanol / 1.5 h View Scheme

1: 58 percent / mercuric cyanide / nitromethane; benzene / 40 h / Ambient temperature 2: 64 percent / 60 percent aq. acetic acid / 0.5 h / 98 °C 3: 47 percent / p-toluenesulfonic acid / 1,2-dichloro-ethane / 70 °C 4: 93 percent / Amberlyst A-26 <OH(1-)> anion exchange resin, methanol / 5 h / Ambient temperature View Scheme

1.1: potassium carbonate; tetrabutylammomium bromide / chloroform; water / 1 h / 50 °C 1.2: 24 h / 50 °C 2.1: 10 Pd/C; acetic acid; hydrogen / ethyl acetate / 4 h / 760.05 Torr 3.1: sodium methylate / methanol; dichloromethane / 0.5 h View Scheme

sodium azide in N,N,N',N',N'',N''-hexamethylphosphoric triamide T=75°C; 0.833333 h;

1: Ag2CO3, H2O / acetone 2: 61 percent / DMAP / CH2Cl2 / 2 h / Ambient temperature 3: 95 percent / NaN3 / dimethylformamide / 1) 50 deg C, 2 h, 2) 70 deg C, 1 h View Scheme

1: 78 percent / magnesium amalgam / dimethylformamide / a) 0 deg C, 0.5 h, b) 2 h 2: 87.2 percent / sodium methoxide / methanol / 1 h / Ambient temperature View Scheme