1: 4-ethynyl-1-methoxy-benzene With n-butyllithium in tetrahydrofuran T=20°C; 0.0333333 h; Inert atmosphere; 2: (E)-1-chloro-2-phenyl-1-(p-tolylsulfinyl)ethene in tetrahydrofuran T=20°C; 0.5 h;