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The amination of aryl chlorides with various aniline derivatives using the N‐heterocyclic carbene‐based Pd complexes Pd‐PEPPSI‐IPr and Pd‐PEPPSI‐IPent (PEPPSI=pyridine, enhanced precatalyst, preparation, stabilization, and initiation; IPr=diisopropylphenylimidazolium derivative; IPent= diisopentylphenylimidazolium derivative) has been studied. Rate studies have shown a reliance on the aryl chloride...
Pd‐PEPPSI‐IPent, a recently‐developed N‐heterocyclic carbene (NHC) complex, has been evaluated in amination reactions with secondary amines and it has shown superb reactivity under the most mildly basic reaction conditions. Rate and computational studies were conducted to provide insight into the mechanism of the transformation. The IPent catalyst coordinates to the amine much more strongly than the...
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