Catalytic amine-borane dehydrogenation by a PCP-pincer Palladium complex: a combined experimental and DFT analysis of the reaction mechanism (Articolo in rivista)

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Label
  • Catalytic amine-borane dehydrogenation by a PCP-pincer Palladium complex: a combined experimental and DFT analysis of the reaction mechanism (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/c2dt32273k (literal)
Alternative label
  • Rossin, Andrea; Bottari, Giovanni; Lozano-Vila, Ana Maria; Paneque, Margarita; Peruzzini, Maurizio; Rossi, Andrea; Zanobini, Fabrizio (2013)
    Catalytic amine-borane dehydrogenation by a PCP-pincer Palladium complex: a combined experimental and DFT analysis of the reaction mechanism
    in Dalton transactions (2003. Online); RSC Publishing, Cambridge (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Rossin, Andrea; Bottari, Giovanni; Lozano-Vila, Ana Maria; Paneque, Margarita; Peruzzini, Maurizio; Rossi, Andrea; Zanobini, Fabrizio (literal)
Pagina inizio
  • 3533 (literal)
Pagina fine
  • 3541 (literal)
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  • 42 (literal)
Rivista
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  • 9 (literal)
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  • ICCOM-CNR IIQ-CSIC (Sevilla) (literal)
Titolo
  • Catalytic amine-borane dehydrogenation by a PCP-pincer Palladium complex: a combined experimental and DFT analysis of the reaction mechanism (literal)
Abstract
  • Catalytic dehydrogenation of ammonia-borane (NH3oBH3, AB) and dimethylamine borane (NHMe2-BH3, DMAB) by the PdII complex [(tBuPCP)Pd(H2O)]PF6 [tBuPCP = 2,6-C6H3(CH2PtBu2)2] leads to oligomerization and formation of spent fuels of general formula cyclo-[BH2-NR2]n (n = 2,3; R = H, Me) as reaction byproducts, while one equivalent of H2 is released per amine-borane equivalent. The processes were followed through multinuclear (31P, 1H, 11B) variable temperature NMR spectroscopy; kinetic measurements on the hydrogen production rate and the relative rate constants were also carried out. One non-hydridic intermediate could be detected at low temperature, whose chemical nature was explored through a DFT modeling of the reaction mechanism, at the M06//6-31+G(d,p) computational level. The computational output was of help to propose a reliable mechanistic picture of the process. (literal)
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