manganese(IV) oxide in water 18 h; Ambient temperature;

1: 1.) Et2O, 0 deg C, 2 h, 2.) heating 2: 75 percent / hydroxylamine hydrochloride, NaOAc / ethanol; H2O / 12 h / Heating 3: 87 percent / hydrogen, conc. HCl / 10percent Pd/C / ethanol / 4 h / 22 °C 4: 85.7 percent / LiAlH4 / tetrahydrofuran / 2 h / Heating 5: 98 percent / H2O / 16 h 6: 90 percent / 5percent aq. K2CO3 / methanol / 2 h / 55 °C 7: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 8: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 9: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 10: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

1: 75 percent / hydroxylamine hydrochloride, NaOAc / ethanol; H2O / 12 h / Heating 2: 87 percent / hydrogen, conc. HCl / 10percent Pd/C / ethanol / 4 h / 22 °C 3: 85.7 percent / LiAlH4 / tetrahydrofuran / 2 h / Heating 4: 98 percent / H2O / 16 h 5: 90 percent / 5percent aq. K2CO3 / methanol / 2 h / 55 °C 6: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 7: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 8: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 9: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

1: 87 percent / hydrogen, conc. HCl / 10percent Pd/C / ethanol / 4 h / 22 °C 2: 85.7 percent / LiAlH4 / tetrahydrofuran / 2 h / Heating 3: 98 percent / H2O / 16 h 4: 90 percent / 5percent aq. K2CO3 / methanol / 2 h / 55 °C 5: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 6: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 7: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 8: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

manganese(IV) dioxide

1: 98 percent / H2O / 16 h 2: 90 percent / 5percent aq. K2CO3 / methanol / 2 h / 55 °C 3: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 4: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 5: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 6: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

1: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 2: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 3: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 4: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

1: 85.7 percent / LiAlH4 / tetrahydrofuran / 2 h / Heating 2: 98 percent / H2O / 16 h 3: 90 percent / 5percent aq. K2CO3 / methanol / 2 h / 55 °C 4: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 5: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 6: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 7: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

1: 90 percent / 5percent aq. K2CO3 / methanol / 2 h / 55 °C 2: 62.3 percent / boron trifluoride etherate / CH2Cl2 / 24 h / 22 °C 3: 50 percent / 1 N methanolic HCl / 72 h / 25 °C 4: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 5: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme

1: 80.5 percent / paraformaldehyde / H2O / 1 h / Heating 2: 64 percent / manganese dioxide / H2O / 18 h / Ambient temperature View Scheme