1: 1,1-Diiodoethane With zinc; PbCl2 in tetrahydrofuran T=25°C; 1 h; 2: 4-lt;4-Nitro-phenylgt;-thiohydrocinnamat With trifuran-2-yl-phosphane; tris(dibenzylideneacetone)dipalladium (0) in tetrahydrofuran T=0°C; 0.25 h; 3: chloro-trimethyl-silane in tetrahydrofuran T=25°C; 6 h; Further stages.;

1: 4-lt;4-Nitro-phenylgt;-thiohydrocinnamat; methylene bis(iodozinc) With triphenylphosphine; Pd2(trans,trans-dibenzylideneacetone) in tetrahydrofuran T=0°C; 0.0833333 h; 2: 2-oxopropionitrile in tetrahydrofuran T=0°C; 0.25 h;