1: methyl-phenyl-thioether With n-butyllithium in tetrahydrofuran T=20°C; 0.25 h; 2: With lithium chloride in tetrahydrofuran T=0°C; 0.25 h; 3: 1-chloro-2-chloromethyl-2-propene in tetrahydrofuran T=0°C; 2 h;

lithium chloride T=0°C; 2 h;