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Reversible Orthopalladation of Phosphinimine-Imine Dichloropalladium(II) Complexes

TitleReversible Orthopalladation of Phosphinimine-Imine Dichloropalladium(II) Complexes
Publication TypeJournal Article
Year of Publication2009
AuthorsWallis, CJ, Kraft, IL, Murphy, JN, Patrick, BO, Mehrkhodavandi, P
JournalOrganometallics
Volume28
Pagination3889-3895
Date PublishedJul
Type of ArticleArticle
ISBN Number0276-7333
Keywords1, 2-DIIMINOPHOSPHORANES, BEHAVIOR, CYCLOPALLADATION, ETHYLENE OLIGOMERIZATION CATALYSTS, IMINOPHOSPHORANES, LIGANDS, PALLADIUM(II) COMPLEXES, PD
Abstract

The synthesis and characterization of triphenylphosphinimine-arylimine bidentate ligands (aryl = 2,4,6-trimethylphenyl or 4-methylphenyl) along with their dichloropalladium(II) complexes are reported. These complexes form tridentate orthopalladated species upon heating in the presence or sodium acetate. The reverse reaction occurs upon addition of HCl center dot Et2O. The rate of orthopalladation and reprotonation is highly dependent on the steric bulk of the ligand. Related cationic species were also synthesized and characterized and found to be inert in the presence of 1-hexene and styrene.

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