1: 1-bromo-2,3,4,5,6-pentafluorobenzene With magnesium in tetrahydrofuran T=20°C; Metallation; 1 h; 2: With copper(I) bromide in tetrahydrofuran T=20°C; Substitution; 1 h; 3: 1,2,4,5-tetrafluoro-3-bromobenzene in tetrahydrofuran; 1,4-dioxane; toluene T=80°C; cross-coupling reaction; 17 h; Further stages.;

ammonium hydroxide; ammonium chloride; zinc in diethyl ether T=20°C; Dehalogenation; 20 h;

potassium hydroxide in ammonia

Co(PMe3)4; sodium formate in acetonitrile 3 h; Inert atmosphere; Catalytic behavior;

C18F13H; C24F17H in diethyl ether; hexane 6 h at 25°C in ether/hexane 1:1;

T=200 - 250°C;

1: KMnO4 2: 200 - 250 °C View Scheme

1: KMnO4 2: 200 - 250 °C View Scheme

Irradiation;