1: 77 percent / I2, HIO3 / CCl4; acetic acid; H2O / 2 h / Heating 2: 1) n-BuLi / 1) THF, hexane, 1 h View Scheme

1: 2,4-dimethyl-thiophene With n-butyllithium; N,N,N',N,-tetramethylethylenediamine; zinc(II) chloride in diethyl ether; hexane T=-30 - 20°C; Metallation; 6 h; 2: iodobenzene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran; diethyl ether; hexane T=50°C; Phenylation; 12 h;

iron (III) acetylacetonate; 1,1-dimethylethylmagnesium chloride in tetrahydrofuran T=0°C; 1.5 h; Inert atmosphere;