1: 2-methyl-but-3-yn-2-ol With n-butyllithium in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide; hexane T=-78°C; 0.5 h; Inert atmosphere; 2: N-methoxy-N-methyl-(E)-3-phenyl-2-propenamide in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide; hexane T=-78 - 20°C; 3: With water; ammonium chloride in tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide; hexane

bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide in acetonitrile 15 h; Ambient temperature;