ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) acetone, water, 20 min : decomposition reaction;

ruthenium(IV) oxide; sodium periodate 1) 5 h, room temp., pyridine; 2) acetic ester, water, 20 min : decomposition reaction;

hydrogenchloride in ethanol 72 h;

1.1: sodium hydride; water / N,N-dimethyl-formamide / 0 °C 2.1: potassium carbonate / N,N-dimethyl-formamide / -20 °C 3.1: trifluoroacetic anhydride / dichloromethane / 0.17 h / 0 °C 3.2: 20 °C 4.1: sodium methylate / methanol; dichloromethane / 0.5 h 5.1: potassium carbonate; tetrabutylammomium bromide / chloroform; water / 1 h / 50 °C 5.2: 24 h / 50 °C 6.1: 10 Pd/C; acetic acid; hydrogen / ethyl acetate / 4 h / 760.05 Torr 7.1: sodium methylate / methanol; dichloromethane / 0.5 h View Scheme

water; sodium hydride in N,N-dimethyl-formamide 2 h; Ambient temperature;

sodium hydride in N,N-dimethyl-formamide; mineral oil T=0 - 20°C; 4.25 h; Inert atmosphere;

1: sodium hydride; water / N,N-dimethyl-formamide; mineral oil / 17 h / 0 - 20 °C 2: dichloromethane / 1.5 h / 0 °C View Scheme

1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 4.25 h / 0 - 20 °C / |Inert atmosphere 2: sodium hydride; butane-1-thiol / N,N-dimethyl-formamide; mineral oil / 160 °C View Scheme