[Cu(N,N′-bis(2,6-diisopropylphenyl)-imidazol-2-ylidene)Cl]; potassium carbonate in N,N-dimethyl-formamide T=60°C; P=11251.1 Torr; 24 h; Autoclave;

4-(N,N-dimethlyamino)pyridine in dichloromethane T=20°C; 12 h;

silver(I) in N,N-dimethyl acetamide T=100°C; P=760.051 Torr; 4 h;