dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; potassium acetate in dimethyl sulfoxide T=80°C; 96 h; Inert atmosphere;

ethidium Bromide; lithium 1) ether, reflux, 5 h, 2) ether, reflux, 1 h; Yield given. Multistep reaction;