1: 1-methyl-4-(3-phenylpropylsulfinyl)benzene With lithium diisopropyl amide in tetrahydrofuran T=-70 - -40°C; 2: With copper(I) bromide in tetrahydrofuran T=-40 - 20°C; 0.5 h; 3: Zn(CH2I)2 in tetrahydrofuran T=20°C; 1 h;