1: tris(pentafluoroethyl)phosphine oxide With phenyl-magnesium bromide in tetrahydrofuran T=-60 - -45°C; 1 h; 2: benzophenone in tetrahydrofuran T=20°C; 2 h; 3: With hydrogenchloride; water Product distribution / selectivity;

calcium carbonate T=20 - 90°C; 96 h; Product distribution / selectivity;

T=30 - 120°C; 3 h; Heating / reflux;

hydrogen fluoride; water 1) electrochemical fluorination, 15-20 deg C; Yield given. Multistep reaction;

hydrogen fluoride T=10 - 15°C; 2 h;