Characterization of a paramagnetic, mononuclear Pt(III)-alkyl complex intermediate in carbon-halogen bond coupling reactions

Orestes Rivada-Wheelaghan, Manuel A Ortuno Maqueda, Josefina Díez, Sergio E. García-Garrido, Celia Maya, Agustí Lledós, Salvador Conejero

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Abstract

Addition of Br 2 or I 2 to 14-electron, cationic Pt(II)-alkyl complexes led to the formation of the corresponding carbon-halogen Pt(II) coupling products. Low temperature experiments with Br 2 allowed us to isolate and characterize crystallographically a very unusual mononuclear, paramagnetic Pt(III)-alkyl intermediate with a seesaw structure that can be further oxidized to a transient Pt(IV) species before reductive carbon-halogen coupling reaction takes place.

Original languageEnglish (US)
Pages (from-to)15261-15264
Number of pages4
JournalJournal of the American Chemical Society
Volume134
Issue number37
DOIs
StatePublished - Sep 19 2012

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    Rivada-Wheelaghan, O., Ortuno Maqueda, M. A., Díez, J., García-Garrido, S. E., Maya, C., Lledós, A., & Conejero, S. (2012). Characterization of a paramagnetic, mononuclear Pt(III)-alkyl complex intermediate in carbon-halogen bond coupling reactions. Journal of the American Chemical Society, 134(37), 15261-15264. https://doi.org/10.1021/ja307139p