1: methyl-propargyl-ether With copper(l) iodide; P-olefin; triethylamine; bis(dibenzylideneacetone)-palladium(0) in N,N-dimethyl-formamide 0.0833333 h; Inert atmosphere; 2: 1-bromo-2-phenylacetylene in N,N-dimethyl-formamide T=20°C; 9 h; Inert atmosphere;

copper(l) iodide; NiII chloride hexahydrate; N,N,N',N,-tetramethylethylenediamine; oxygen in tetrahydrofuran T=20°C; 20 h;