Alkyl dehydrogenation in a Rh(I) complex via an isolated agostic intermediate

Adrian B. Chaplin, Amalia I. Poblador-Bahamonde, Hazel A. Sparkes, J. A K Howard, Stuart A. Macgregor, Andrew S. Weller

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

A well-characterised 14-electron rhodium phosphine complex, [Rh(P iPr3)3][BArF4], which contains a ß-CH agostic interaction, is observed to undergo spontaneous dehydrogenation to afford [Rh(PiPr3)2(P iPr2(C3H5))][BArF4]; calculations on a model system show that while C-H activation is equally accessible from the ß-CH agostic species or an alternative ?-CH agostic isomer, subsequent ß-H-transfer can only be achieved along pathways originating from the ß-CH agostic form. © The Royal Society of Chemistry.

Original languageEnglish
Pages (from-to)244-246
Number of pages3
JournalChemical Communications
Issue number2
DOIs
Publication statusPublished - 2009

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