1: 82.9 percent / H2, conc.H2SO4 / 20percent Pd/C / acetic acid / 2 h / 2280 Torr 2: LiCl, Me2SO, H2O / 2 h / Heating 3: H2SO4 / Ambient temperature 4: 69.2 percent / AlCl3 / 1,2-dichloro-ethane / 3.75 h / 5 - 20 °C 5: 20 percent / NH2OH*HCl, pyridine / 4 h / Heating 6: 58 percent / 1 h / 90 °C 7: NaH / dimethylformamide / 4 h / Ambient temperature 8: 92 percent / aq. KOH / methanol / 1 h View Scheme