Mechanism of the photochemical dehydrogenation and transfer-dehydrogenation of alkanes catalyzed by trans-Rh(PMe3)2(CO)Cl

J. A. Maguire, W. T. Boese, M. E. Goldman, A. S. Goldman

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Rh(PMe3)2(CO)Cl catalyzes the photochemical dehydrogenation of alkanes to yield alkenes. H2 is evolved or, in the presence of potential hydrogen acceptors such as t-butylethylene and styrene, hydrogen can be transferred to the olefins. The photokinetics and selectivity of the dehydrogenation reactions have been investigated. Both reactions proceed via a single photochemical step, photoextrusion of carbon monoxide from Rh(PMe3)2(CO)Cl. Study of the transfer-dehydrogenation, particularly of the product ratio (H2 : hydrogenated acceptor), reveals aspects of the dehydrogenation mechanism including steps subsequent to the turnover-limiting step.

Original languageEnglish
Pages (from-to)179-192
Number of pages14
JournalCoordination Chemistry Reviews
Issue numberC
Publication statusPublished - Jan 1990


ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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