An ESR and DFT revisitation of phosphonitroxides prompted by an ineffective ESR approach to the hydrophosphination of alkynes (Articolo in rivista)

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Label
  • An ESR and DFT revisitation of phosphonitroxides prompted by an ineffective ESR approach to the hydrophosphination of alkynes (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1039/C3RA41929K (literal)
Alternative label
  • Alberti, Angelo and Guerra, Maurizio and Venturini, Alessandro (2013)
    An ESR and DFT revisitation of phosphonitroxides prompted by an ineffective ESR approach to the hydrophosphination of alkynes
    in RSC advances
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alberti, Angelo and Guerra, Maurizio and Venturini, Alessandro (literal)
Pagina inizio
  • 17887 (literal)
Pagina fine
  • 17897 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://dx.doi.org/10.1039/C3RA41929K (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 3 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ISOF - CNR Istituto per la Sintesi organica e la fotoreattività (literal)
Titolo
  • An ESR and DFT revisitation of phosphonitroxides prompted by an ineffective ESR approach to the hydrophosphination of alkynes (literal)
Abstract
  • An ESR investigation of the thermal hydrophosphination of 1-hexyne by five different secondary phosphines and phosphine-boranes did not lead to the observation of any radical, but in the presence of the spin trap MNP (2-methyl-2-nitrosopropane) several phosphonitroxides were detected. The unusually low phosphorus splitting exhibited by some of these species could be accounted for on the basis of DFT calculations. Although two phospho-substituted vinyl nitroxides were identified in the course of the hydrophosphination reaction, they could not be considered as evidence of the direct involvement of phosphorus-centred radicals. (literal)
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