(SPY-5-31)-dichloro-(κ2(C,O)-(2-isopropyloxybenzylidene))(1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene)ruthenium in toluene T=70°C; 1 h; Inert atmosphere; Catalytic behavior; regioselective reaction;

1,8-diazabicyclo[5.4.0]undec-7-ene in acetonitrile 96 h;

1: triethylamine / dichloromethane / 2 h / 20 °C 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 / 70 °C / |Inert atmosphere View Scheme