1: 1,4-diiodo-2-fluorobenzene With isopropylmagnesium chloride in tetrahydrofuran T=-78 - -50°C; 0.5 h; 2: N,N-dimethyl-formamide in tetrahydrofuran T=0 - 20°C; 0.25 h; 3: With water; ammonium chloride in tetrahydrofuran

1: With n-butyllithium in tetrahydrofuran; hexane 0.666667 h; Cooling with acetone-dry ice; 2: With iodine in tetrahydrofuran; hexane T=5°C; 2.16667 h; Cooling with acetone-dry ice; 3: With sodium thiosulfate in tetrahydrofuran; hexane; ethyl acetate T=5°C; 0.0833333 h;