Abstract
The photophysical and photochemical properties of the C–H activating ( η 5-C 5H 5)Rh(CO) 2, ( η 5-C 5Me 5)Rh(CO) 2, ( η 5-C 5H 5)Ir(CO) 2 and (HBPz 3 *)Rh(CO) 2 (Pz *=3,5-dimethylpyrazolyl) complexes in room-temperature hydrocarbon solutions are compared and contrasted. Recent quantitative measurements of the solution photochemistry and kinetic analyses of the reaction pathways are discussed. The data reveal that the C–H and Si–H activation reactions occur via similar photochemical routes, whereas the ligand photosubstitution reaction proceeds by a different pathway. Several key mechanistic features of the light-induced intermolecular C–H bond activation process are identified.
Published Version
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