1: [2-(2,6-dichloro-4-iodo-phenoxymethoxy)-ethyl]-trimethylsilane With isopropylmagnesium chloride in tetrahydrofuran T=-20 - -10°C; 2: N,N-dimethyl-formamide in tetrahydrofuran T=-10 - 20°C; 3: With hydrogenchloride; water in tetrahydrofuran T=20°C;