1: 3-chloro-4-fluoro-α,α,α-trifluorotoluene With n-butyllithium; diisopropylamine in tetrahydrofuran; hexane T=-78 - -73°C; 1.41667 h; 2: carbon dioxide in tetrahydrofuran; hexane T=-78 - -75°C; 1 h; 3: With hydrogenchloride; water in tetrahydrofuran; hexane T=-4°C; 0.5 h; Product distribution / selectivity;

hydrogenchloride; nitrogen in diethyl ether; pentane

1: With potassium permanganate in water; acetone 0.5 h; 2: With hydrogenchloride in water pH=1; Product distribution / selectivity;

thionyl chloride in N-methyl-acetamide

oxalyl dichloride; N,N-dimethyl-formamide in toluene T=20°C; 0.5 h; Inert atmosphere; Product distribution / selectivity;