1: 82 percent / K2CO3 / acetone / Heating 2: 80 percent / CF3COOH / Heating 3: 94 percent / NaBH4 / methanol / Ambient temperature 4: 90 percent / SOCl2, NEt3 / CH2Cl2 / Ambient temperature 5: 80 percent / ammonium cerium(IV) nitrate (CAN) / acetonitrile; H2O / Ambient temperature 6: di-tert-butylnitroxide / dimethylsulfoxide / 24 h / Irradiation View Scheme

1: 80 percent / CF3COOH / Heating 2: 94 percent / NaBH4 / methanol / Ambient temperature 3: 90 percent / SOCl2, NEt3 / CH2Cl2 / Ambient temperature 4: 80 percent / ammonium cerium(IV) nitrate (CAN) / acetonitrile; H2O / Ambient temperature 5: di-tert-butylnitroxide / dimethylsulfoxide / 24 h / Irradiation View Scheme

1: 94 percent / NaBH4 / methanol / Ambient temperature 2: 90 percent / SOCl2, NEt3 / CH2Cl2 / Ambient temperature 3: 80 percent / ammonium cerium(IV) nitrate (CAN) / acetonitrile; H2O / Ambient temperature 4: di-tert-butylnitroxide / dimethylsulfoxide / 24 h / Irradiation View Scheme

1: 90 percent / SOCl2, NEt3 / CH2Cl2 / Ambient temperature 2: 80 percent / ammonium cerium(IV) nitrate (CAN) / acetonitrile; H2O / Ambient temperature 3: di-tert-butylnitroxide / dimethylsulfoxide / 24 h / Irradiation View Scheme

oxygen in methanol 24 h; Yield given. Yields of byproduct given;

N,N-di-tert-butylnitroxide in dimethyl sulfoxide 24 h; Irradiation; Yield given. Yields of byproduct given;

in methanol 24 h; Irradiation; Yield given. Further byproducts given. Yields of byproduct given;

copper dichloride in dimethyl sulfoxide 24 h; Irradiationvar. scavenger, var. solvent, no irradiation; Product distributionMechanism;

in methanol 24 h; Ambient temperatureIrradiationother solvents, influence of scavenger; Product distributionMechanism;