1: 92 percent / OsO4, Me3NO*2H2O / 2-methyl-propan-2-ol / 24 h / 40 °C 2: 76 percent / PS-30 catalyst / various solvent(s) / 48 h 3: 100 percent / NaOCl, 4-acetoxy-TEMPO, KBr, NaHCO3 / CH2Cl2; H2O / 0.67 h 4: 96 percent / H2 / Pd/C / methanol / 96 h / 775.7 Torr / Ambient temperature; other catalyst, reaction time, temperature 5: 99 percent / TEMPO, KBr, NaHCO3, NaOCl / CH2Cl2; H2O / 0.5 h 6: 89 percent / TMSCl, NaI / acetonitrile / 6 h / 0 - 20 °C 7: 74 percent / Cs2CO3 / dimethylsulfoxide / 21 h / 47 - 50 °C 8: 93.4 percent / trifluoroacetic acid; toluene / 2 h / 110 °C 9: p-TSA*H2O / toluene; acetic acid / 18 h / 95 - 100 °C 10: pyridine / 2 h / 20 - 25 °C View Scheme

1: 96 percent / H2 / Pd/C / methanol / 96 h / 775.7 Torr / Ambient temperature; other catalyst, reaction time, temperature 2: 99 percent / TEMPO, KBr, NaHCO3, NaOCl / CH2Cl2; H2O / 0.5 h 3: 89 percent / TMSCl, NaI / acetonitrile / 6 h / 0 - 20 °C 4: 74 percent / Cs2CO3 / dimethylsulfoxide / 21 h / 47 - 50 °C 5: 93.4 percent / trifluoroacetic acid; toluene / 2 h / 110 °C 6: p-TSA*H2O / toluene; acetic acid / 18 h / 95 - 100 °C 7: pyridine / 2 h / 20 - 25 °C View Scheme

2: 92 percent / OsO4, Me3NO*2H2O / 2-methyl-propan-2-ol / 24 h / 40 °C 3: 76 percent / PS-30 catalyst / various solvent(s) / 48 h 4: 100 percent / NaOCl, 4-acetoxy-TEMPO, KBr, NaHCO3 / CH2Cl2; H2O / 0.67 h 5: 96 percent / H2 / Pd/C / methanol / 96 h / 775.7 Torr / Ambient temperature; other catalyst, reaction time, temperature 6: 99 percent / TEMPO, KBr, NaHCO3, NaOCl / CH2Cl2; H2O / 0.5 h 7: 89 percent / TMSCl, NaI / acetonitrile / 6 h / 0 - 20 °C 8: 74 percent / Cs2CO3 / dimethylsulfoxide / 21 h / 47 - 50 °C 9: 93.4 percent / trifluoroacetic acid; toluene / 2 h / 110 °C 10: p-TSA*H2O / toluene; acetic acid / 18 h / 95 - 100 °C 11: pyridine / 2 h / 20 - 25 °C View Scheme

1: p-TSA*H2O / toluene; acetic acid / 18 h / 95 - 100 °C 2: pyridine / 2 h / 20 - 25 °C View Scheme

1: 67 percent / NaH, LiBr / 1,2-dimethoxy-ethane; dimethylformamide / 1.) 0 deg C, 10 min; r.t., 15 min, 2.) toluene, 70 deg C, 20 h 2: 31 percent / Me6Sn2 / benzene / 9 h / 80 °C / Irradiation View Scheme

1: 67 percent / NaH, LiBr / 1,2-dimethoxy-ethane; dimethylformamide / 1.) 0 deg C, 10 min; r.t., 15 min, 2.) toluene, 70 deg C, 20 h 2: 31 percent / Me6Sn2 / benzene / 9 h / 80 °C / Irradiation View Scheme

1: 73 percent / Me3SiCl, NaI / acetonitrile; H2O / 5 h / 65 °C 2: 67 percent / NaH, LiBr / 1,2-dimethoxy-ethane; dimethylformamide / 1.) 0 deg C, 10 min; r.t., 15 min, 2.) toluene, 70 deg C, 20 h 3: 31 percent / Me6Sn2 / benzene / 9 h / 80 °C / Irradiation View Scheme

1: 83 percent / DCC, pyridine / CH2Cl2 / 3 h / 0 °C 2: 79 percent / triphosgene, Et3N / CH2Cl2 / 2 h / 22 °C 3: 31 percent / Me6Sn2 / benzene / 9 h / 80 °C / Irradiation View Scheme

1: 79 percent / triphosgene, Et3N / CH2Cl2 / 2 h / 22 °C 2: 31 percent / Me6Sn2 / benzene / 9 h / 80 °C / Irradiation View Scheme

1: 45 percent / ICl / CCl4; CH2Cl2 / 48 h / Ambient temperature 2: 73 percent / Me3SiCl, NaI / acetonitrile; H2O / 5 h / 65 °C 3: 67 percent / NaH, LiBr / 1,2-dimethoxy-ethane; dimethylformamide / 1.) 0 deg C, 10 min; r.t., 15 min, 2.) toluene, 70 deg C, 20 h 4: 31 percent / Me6Sn2 / benzene / 9 h / 80 °C / Irradiation View Scheme