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DOI: 10.1055/s-0033-1339669
[Pd(NHC)(PR3)] Complexes: Versatile Tools for Tandem Dehydrogenation–Hydrogenation Processes
Publication History
Received: 28 June 2013
Accepted after revision: 01 August 2013
Publication Date:
23 August 2013 (online)
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Abstract
Homogeneous Pd(0) complexes are powerful tools for numerous catalytic reactions. Recent work has demonstrated the unique properties displayed by [Pd(NHC)(PR3)] catalysts in the activation of ammonia borane (AB) and formic acid, with the subsequent formation of hydrogen. An understanding of the mechanism allowed for the design of a new dehydrogenation–hydrogenation tandem process using ‘hydrogen storage materials’. The hydrogenations of alkenes and alkynes were successfully performed at low catalyst loadings of Pd(0) species and mild conditions. Such tandem process represents a safe and innovative alternative to classic hydrogenation protocols.
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For recent reviews on palladium-catalyzed hydrogenation, see: