potassium carbonate in N,N-dimethyl-formamide T=20°C; 2 h;

1: [Ru2(p-PriC6H4Me)2(μ-Cl)Cl]2; 1-(chloromethyl)-4-fluoro-1,4-diazoniabicyclo-[2.2.2]octane bis(tetrafluoroborate); trifluoroacetic acid; trifluoroacetic anhydride / 5.5 h / 110 °C 2: potassium carbonate / N,N-dimethyl-formamide / 2 h / 20 °C View Scheme