potassium carbonate; 18-crown-6 ether in acetonitrile T=150 - 160°C; 0.25 h; Irradiation;

1: 4-Fluorophenyl alcohol With 1,10-phenanthroline; caesium carbonate; copper on carbon in 1,4-dioxane T=20°C; 0.5 h; 2: para-bromoacetophenone in 1,4-dioxane T=220°C; Ullmann coupling; 0.5 h; microwave irradiation;

copper (II) acetate monohydrate; caesium carbonate in N,N-dimethyl-formamide T=100°C; 4 h; Inert atmosphereSchlenk technique;