sodium periodate in methanol; water 24 h; Ambient temperature;

1: K2CO3 / acetone 2: 76 percent / H2O2 / 5-ethyl-1,3-dimethyl-1,5-dihydroflavine / methanol; H2O / 3 h / 20 °C View Scheme

1: 75 percent / NaH / tetrahydrofuran / 1.) 2 h, 2.) reflux, dark, 21 h 2: 68 percent / diethyl ether / 2 h / -78 °C 3: 58 percent / LiCl, SOCl2, Et3N / hexamethylphosphoric acid triamide 4: 97 percent / CCl4 / Irradiation; sunlight for several days 5: 97 percent / NaIO4 / methanol; H2O / 24 h / Ambient temperature View Scheme

1: 71 percent / n-butyl-lithium, di-isopropylamine / tetrahydrofuran / 1.) -78 deg C, 3.5 h, 2.) room temperature, 18 h 2: 34 percent / diethyl ether / 20 h / Heating 3: 68 percent / diethyl ether / 2 h / -78 °C 4: 58 percent / LiCl, SOCl2, Et3N / hexamethylphosphoric acid triamide 5: 97 percent / CCl4 / Irradiation; sunlight for several days 6: 97 percent / NaIO4 / methanol; H2O / 24 h / Ambient temperature View Scheme

1: 34 percent / diethyl ether / 20 h / Heating 2: 68 percent / diethyl ether / 2 h / -78 °C 3: 58 percent / LiCl, SOCl2, Et3N / hexamethylphosphoric acid triamide 4: 97 percent / CCl4 / Irradiation; sunlight for several days 5: 97 percent / NaIO4 / methanol; H2O / 24 h / Ambient temperature View Scheme

1: 68 percent / diethyl ether / 2 h / -78 °C 2: 58 percent / LiCl, SOCl2, Et3N / hexamethylphosphoric acid triamide 3: 97 percent / CCl4 / Irradiation; sunlight for several days 4: 97 percent / NaIO4 / methanol; H2O / 24 h / Ambient temperature View Scheme

1: 97 percent / CCl4 / Irradiation; sunlight for several days 2: 97 percent / NaIO4 / methanol; H2O / 24 h / Ambient temperature View Scheme

1: 58 percent / LiCl, SOCl2, Et3N / hexamethylphosphoric acid triamide 2: 97 percent / CCl4 / Irradiation; sunlight for several days 3: 97 percent / NaIO4 / methanol; H2O / 24 h / Ambient temperature View Scheme

benzenethiol sodium salt in methanol 1.) reflux, 7 h, dark, 2.) room temperature, 18 h;