1: 71 percent / conc. HCl / ethanol / Heating 2: 25 percent / hydrochloric acid (1:1) / 1 h / Heating View Scheme

silver tetrafluoroborate; gold; trifluoroacetic acid in 1,2-dichloro-ethane T=25°C; Schlenk techniqueInert atmosphere;

1: 79 percent / Raney nickel / benzene / 4 h / Heating 2: 81 percent / aged Raney nickel / 72 h / 105 °C View Scheme

hydrogenchloride 1 h; Heating;

piperidine; acetic acid

1: iron (II)-sulfate; aq. barium hydroxide solution 2: sulfuric acid View Scheme

暂无反应条件数据

1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / Inert atmosphere 1.2: 16 h / Inert atmosphere 2.1: hydrogenchloride; acetic acid; zinc / water / 16 h / Inert atmosphere 3.1: aluminium hydride / toluene / 4.33 h / -78 - 20 °C / Inert atmosphere 3.2: 0.17 h / 0 °C / Inert atmosphere 4.1: tri-n-butyl-tin hydride; 1,1'-azobis (cyclohexanecarbonitrile) / toluene / 65 h / Inert atmosphere; Reflux View Scheme

1: With palladium 10 on activated carbon; hydrogen; acetic acid in methanol 3 h; 2: With water in methanol