1: 2: With platinum(IV) oxide; hydrogen

1: (SPY-5-31)-dichloro-(κ2(C,O)-(2-isopropyloxybenzylidene))(1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene)ruthenium / dichloromethane 2: copper(l) iodide; potassium carbonate; sodium iodide / N,N-dimethyl-formamide 3: platinum(IV) oxide; hydrogen 4: sodium iodide View Scheme

1: tetrabutyl ammonium fluoride / N,N-dimethyl-formamide 2: copper(l) iodide; potassium carbonate; sodium iodide / N,N-dimethyl-formamide 3: platinum(IV) oxide; hydrogen 4: sodium iodide View Scheme

1: copper(l) iodide; potassium carbonate; sodium iodide / N,N-dimethyl-formamide 2: platinum(IV) oxide; hydrogen 3: sodium iodide View Scheme

1: sodium iodide View Scheme