1: potassium tert-butylate / tetrahydrofuran / 0 °C / |Schlenk technique; |Inert atmosphere 2: (SPY-5-31)-dichloro-(κ2(C,O)-(2-isopropyloxybenzylidene))(1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene)ruthenium / toluene / 1 h / 100 °C / |Schlenk technique; |Inert atmosphere View Scheme