1: in diethyl ether T=0°C; 0.0833333 h; Inert atmosphereSchlenk techniqueGlovebox; 2: With triethylamine in diethyl ether T=0 - 20°C; 5 h; Inert atmosphereSchlenk techniqueGlovebox;

4-ethyl-1-methyl-4H-[1,2,4]-triazol-1-ium iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene in tetrahydrofuran T=20°C; 12 h;

dibenzoyl peroxide T=85°C; 12 h;

1: water; 4-ethyl-1-methyl-4H-[1,2,4]-triazol-1-ium iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene / tetrahydrofuran; isopropyl alcohol / 20 °C 2: 4-ethyl-1-methyl-4H-[1,2,4]-triazol-1-ium iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene / tetrahydrofuran / 12 h / 20 °C View Scheme

water T=25°C; Rate constantProduct distribution;

1: 1,1,2,2-tetrafluoroethylene With 1,1,1,3,3,3-hexamethyl-disilazane T=0°C; Cooling with acetone-dry ice; 2: With n-butyllithium in hexane T=-50°C; 2 h; 3: 1,1,1,3,3,3-hexafluoropropan-2-yl benzoate With hydrogenchloride more than 3 stages;