1-(2,6-diisopropylphenyl)-3-(2-oxo-2-(2,4,6-tri-tert-butylphenylamino)ethyl)-1H-imidazol-3-ium bromide; palladium diacetate; potassium carbonate in dichloromethane; water; N,N-dimethyl-formamide T=100°C; Suzuki coupling; 5 h; Reflux;