1: p-Me-C6H4-X, X = lithium or magnesium halide With titanium tetraethoxide in tetrahydrofuran T=0°C; 2: 2,5-dimethoxy-4-chloro-benzene With P[2,4,6-(OMe)3C6H2]3; bis(acetylacetonate)nickel(II) in tetrahydrofuran T=65°C; 3 h; Further stages.;

sodium hydroxide; dimethyl sulfate in water

in methanol Irradiation;

Irradiation;