1: (2-iodophenyl)trimethylsilanyloxyacetonitrile With isopropylmagnesium chloride lithium chloride complex in tetrahydrofuran T=-78°C; 0.5 h; 2: benzoyl chloride in tetrahydrofuran T=-78 - 20°C; 3: With sodium hydroxide; copper(II) sulfate in ethanol T=20°C; 2 h;

1: (2-iodophenyl)trimethylsilanyloxyacetonitrile With isopropylmagnesium chloride lithium chloride complex in tetrahydrofuran T=-78°C; 0.5 h; 2: allyl bromide in tetrahydrofuran T=-78 - 20°C; 3: With sodium hydroxide; copper(II) sulfate in ethanol T=20°C; 2 h;