1: 1-methyl-4-[(1-phenylpentyl)sulfinyl]benzene With lithium diisopropyl amide in tetrahydrofuran T=-70 - -40°C; 2: With n-butyllithium in tetrahydrofuran T=-70°C; 0.166667 h; 3: Zn(CH2I)2 in tetrahydrofuran T=-70 - 20°C;