(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; tris-(dibenzylideneacetone)dipalladium(0) in tetrahydrofuran T=20°C;

1: isopropyllithium With zinc(II) chloride in tetrahydrofuran; pentane T=-78 - 20°C; 0.5 h; 2: 2,4-dibromo-1,3-thiazole With 1,1'-bis-(diphenylphosphino)ferrocene; tris-(dibenzylideneacetone)dipalladium(0); tris(dibenzylideneacetone)dipalladium (0) in tetrahydrofuran; pentane T=20°C; Negishi cross-coupling; 16 h; Further stages.;