oxygen in acetonitrile T=20°C; Irradiationlong-wavelenght light (366 nm);

in acetonitrile T=20°C; Irradiationshort-wavelenght light (>300 nm);

oxygen 0.166667 h; UV-irradiation; Product distributionQuantum yield; Further Variations:wavelength dependence;

in 1,2-dichloro-benzene T=150°C; 1 h;

potassium hydride in tetrahydrofuran 15 h; Ambient temperature;

sodium hydride in tetrahydrofuran 1.) 2 h, room temperature, 2.) 3 h, reflux;

sodium hydride; N1,N1-dimethylhydrazine; methyl iodide Multistep reaction;

1: 89 percent / 1.) sec-butyllithium / cyclohexane; tetrahydrofuran / 1.) -78 deg C, 2.) 0 deg C, 1.5 h 2: 1.) oxalyl chloride, Me2SO, 2.) triethylamine / 1.) CH2Cl2, -78 deg C, 5 min, 2.) CH2Cl2, 15 min 3: 77 percent / hydroxylamine hydrochloride, sodium acetate / ethanol; H2O / 24 h / Heating 4: 60 percent / sodium hydride / tetrahydrofuran / 14 h / Heating 5: 98 percent / KH / tetrahydrofuran / 15 h / Ambient temperature View Scheme

1: 1.) oxalyl chloride, Me2SO, 2.) triethylamine / 1.) CH2Cl2, -78 deg C, 5 min, 2.) CH2Cl2, 15 min 2: 77 percent / hydroxylamine hydrochloride, sodium acetate / ethanol; H2O / 24 h / Heating 3: 60 percent / sodium hydride / tetrahydrofuran / 14 h / Heating 4: 98 percent / KH / tetrahydrofuran / 15 h / Ambient temperature View Scheme

1: 60 percent / sodium hydride / tetrahydrofuran / 14 h / Heating 2: 98 percent / KH / tetrahydrofuran / 15 h / Ambient temperature View Scheme