1: With n-butyllithium in tetrahydrofuran; hexanes T=-78°C; 3 h; 2: With tri-isopropoxy-borane T=-78°C; 0.5 h; 3: With hydrogenchloride T=20°C; 1 h;

1: 1-bromo-4-fluorobenzene With 2,2,6,6-tetramethyl-piperidine; n-butyllithium in tetrahydrofuran; hexane T=-78°C; 3.16667 h; 2: tri-isopropoxy-borane in tetrahydrofuran; hexane T=-78°C; 0.5 h; 3: With hydrogenchloride in tetrahydrofuran; hexane; water T=-4 - 20°C; 1 h;

acetic acid; lithium diisopropyl amide in tetrahydrofuran; diethyl ether; water

magnesium in tetrahydrofuran; tetrachloromethane; diethyl ether; water; acetic acid

1: With sodium hydroxide; dihydrogen peroxide in tetrahydrofuran; water T=20°C; 14 h; 2: With manganese(IV) oxide 1.5 h;