Abstract
AbstractNew examples of the fluxional behavior of (η3‐allyl)palla‐dium complexes are described. Variable‐temperature experiments and line‐shape analysis of two (η3‐allyl)palladium complexes containing 2‐(1H‐pyrazol‐1‐yl)azine ligands were performed in order to determine the activation free energies, enthalpies and entropies of the process. A dissociative mechanism pointing to a selective Pd‐N cleavage is proposed on the basis of these results and NOE experiments above and below the coalescence temperature.
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