sulfur(IV) fluoride 24 h; Ambient temperature;

1: methanol 2: H2O/KOH / ethanol / 16 h / Ambient temperature 3: hydrazine hydrate, KOH / bis-(2-hydroxy-ethyl) ether / 10 h / Heating 4: 91 percent / concn H2SO4 / 1,2-dichloro-ethane / 20 h / Heating 5: 92 percent / BF3*OEt2 / Ambient temperature 6: 94 percent / NaOMe / methanol / 2 h / Heating 7: 92 percent / SF4 / 24 h / Ambient temperature 8: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 9: 90 percent / diethyl ether; hexane / 2 h / Heating 10: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 11: 93 percent / NaOMe / methanol / 2 h / Heating 12: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: KOAc/Ac2O / 2 h / Heating 2: 250 - 260 °C / 10 Torr 3: methanol 4: H2O/KOH / ethanol / 16 h / Ambient temperature 5: hydrazine hydrate, KOH / bis-(2-hydroxy-ethyl) ether / 10 h / Heating 6: 91 percent / concn H2SO4 / 1,2-dichloro-ethane / 20 h / Heating 7: 92 percent / BF3*OEt2 / Ambient temperature 8: 94 percent / NaOMe / methanol / 2 h / Heating 9: 92 percent / SF4 / 24 h / Ambient temperature 10: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 11: 90 percent / diethyl ether; hexane / 2 h / Heating 12: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 13: 93 percent / NaOMe / methanol / 2 h / Heating 14: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: H2O/KOH / ethanol / 16 h / Ambient temperature 2: hydrazine hydrate, KOH / bis-(2-hydroxy-ethyl) ether / 10 h / Heating 3: 91 percent / concn H2SO4 / 1,2-dichloro-ethane / 20 h / Heating 4: 92 percent / BF3*OEt2 / Ambient temperature 5: 94 percent / NaOMe / methanol / 2 h / Heating 6: 92 percent / SF4 / 24 h / Ambient temperature 7: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 8: 90 percent / diethyl ether; hexane / 2 h / Heating 9: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 10: 93 percent / NaOMe / methanol / 2 h / Heating 11: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: 93 percent / NaOMe / methanol / 2 h / Heating 2: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: 91 percent / concn H2SO4 / 1,2-dichloro-ethane / 20 h / Heating 2: 92 percent / BF3*OEt2 / Ambient temperature 3: 94 percent / NaOMe / methanol / 2 h / Heating 4: 92 percent / SF4 / 24 h / Ambient temperature 5: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 6: 90 percent / diethyl ether; hexane / 2 h / Heating 7: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 8: 93 percent / NaOMe / methanol / 2 h / Heating 9: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: 92 percent / SF4 / 24 h / Ambient temperature 2: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 3: 90 percent / diethyl ether; hexane / 2 h / Heating 4: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 5: 93 percent / NaOMe / methanol / 2 h / Heating 6: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: 92 percent / BF3*OEt2 / Ambient temperature 2: 94 percent / NaOMe / methanol / 2 h / Heating 3: 92 percent / SF4 / 24 h / Ambient temperature 4: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 5: 90 percent / diethyl ether; hexane / 2 h / Heating 6: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 7: 93 percent / NaOMe / methanol / 2 h / Heating 8: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: KOH / bis-(2-hydroxy-ethyl) ether / Heating 2: 91 percent / concn H2SO4 / 1,2-dichloro-ethane / 20 h / Heating 3: 92 percent / BF3*OEt2 / Ambient temperature 4: 94 percent / NaOMe / methanol / 2 h / Heating 5: 92 percent / SF4 / 24 h / Ambient temperature 6: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 7: 90 percent / diethyl ether; hexane / 2 h / Heating 8: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 9: 93 percent / NaOMe / methanol / 2 h / Heating 10: 81 percent / SF4 / 24 h / Ambient temperature View Scheme

1: 94 percent / NaOMe / methanol / 2 h / Heating 2: 92 percent / SF4 / 24 h / Ambient temperature 3: 96 percent / H2O/KOH / ethanol / 16 h / Ambient temperature 4: 90 percent / diethyl ether; hexane / 2 h / Heating 5: 77 percent / m-chloroperbenzoic acid / CH2Cl2 / 72 h / Ambient temperature 6: 93 percent / NaOMe / methanol / 2 h / Heating 7: 81 percent / SF4 / 24 h / Ambient temperature View Scheme