sodium hydroxide; hydroxylamine hydrochloride in ethanol

1: 69 percent / AlCl3 / cyclohexane / 0.25 h / Heating 2: 94 percent / Clemmensen procedure 3: 100 percent / PPA / 0.25 h / 90 °C 4: hydroxylamine hydrochloride, NaOH / ethanol; H2O / Heating 5: 60 percent / conc.H2SO4, acetic anhydride / acetic acid / 0.5 h / 60 - 95 °C 6: 1.) NaNO2, aq. HCl, 2.) NaBF4 7: xylene / Heating 8: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 9: 87 percent / 2 M aq. NaOH 10: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 11: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: hydroxylamine hydrochloride, NaOH / ethanol; H2O / Heating 2: 60 percent / conc.H2SO4, acetic anhydride / acetic acid / 0.5 h / 60 - 95 °C 3: 1.) NaNO2, aq. HCl, 2.) NaBF4 4: xylene / Heating 5: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 6: 87 percent / 2 M aq. NaOH 7: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 8: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 100 percent / PPA / 0.25 h / 90 °C 2: hydroxylamine hydrochloride, NaOH / ethanol; H2O / Heating 3: 60 percent / conc.H2SO4, acetic anhydride / acetic acid / 0.5 h / 60 - 95 °C 4: 1.) NaNO2, aq. HCl, 2.) NaBF4 5: xylene / Heating 6: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 7: 87 percent / 2 M aq. NaOH 8: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 9: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 94 percent / Clemmensen procedure 2: 100 percent / PPA / 0.25 h / 90 °C 3: hydroxylamine hydrochloride, NaOH / ethanol; H2O / Heating 4: 60 percent / conc.H2SO4, acetic anhydride / acetic acid / 0.5 h / 60 - 95 °C 5: 1.) NaNO2, aq. HCl, 2.) NaBF4 6: xylene / Heating 7: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 8: 87 percent / 2 M aq. NaOH 9: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 10: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 2: 87 percent / 2 M aq. NaOH 3: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 4: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 1.) NaNO2, aq. HCl, 2.) NaBF4 2: xylene / Heating 3: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 4: 87 percent / 2 M aq. NaOH 5: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 6: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 60 percent / conc.H2SO4, acetic anhydride / acetic acid / 0.5 h / 60 - 95 °C 2: 1.) NaNO2, aq. HCl, 2.) NaBF4 3: xylene / Heating 4: 1.) Mg, 2.) CuCl / 1.) diethyl ether, reflux, 2h, 2.) -17 deg C 5: 87 percent / 2 M aq. NaOH 6: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 7: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 2: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme

1: 87 percent / 2 M aq. NaOH 2: 52 percent / polyphosphoric acid / 0.13 h / 90 °C 3: 54 percent / hydroxylamine hydrochloride, NaOH / ethanol View Scheme