Monosolvation of R-1-Phenyl-2,2,2-trifluoroethanol with Amines: Configurational Effects on the Excitation, Ionization, and Fragmentation of Diastereomeric Complexes (Articolo in rivista)

Type
Label
  • Monosolvation of R-1-Phenyl-2,2,2-trifluoroethanol with Amines: Configurational Effects on the Excitation, Ionization, and Fragmentation of Diastereomeric Complexes (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/jp075945i (literal)
Alternative label
  • Giardini A., Cattenacci G., Paladini A., Piccirillo S., Satta M., Rondino F., Speranza M. (2007)
    Monosolvation of R-1-Phenyl-2,2,2-trifluoroethanol with Amines: Configurational Effects on the Excitation, Ionization, and Fragmentation of Diastereomeric Complexes
    in The journal of physical chemistry. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giardini A., Cattenacci G., Paladini A., Piccirillo S., Satta M., Rondino F., Speranza M. (literal)
Pagina inizio
  • 12559 (literal)
Pagina fine
  • 12563 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 111 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ? Dipartimento di Chimica, Universita di Roma \"La Sapienza\". ` ยง Consiglio Nazionale delle Ricerche IMIP. | Universita di Roma 2 \"Tor Vergata\". ` ? Consiglio Nazionale delle Ricerche ISC. # Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Bio- logicamente Attive, Universita di Roma \"La Sapienza\". ` (literal)
Titolo
  • Monosolvation of R-1-Phenyl-2,2,2-trifluoroethanol with Amines: Configurational Effects on the Excitation, Ionization, and Fragmentation of Diastereomeric Complexes (literal)
Abstract
  • Wavelength and mass selected resonant two-photon ionization spectra of molecular clusters between R-1- phenyl-2,2,2-trifluoroethanol (FER) and methylamine (M) or the enantiomers of 2-aminobutane (AR and AS) were recorded after supersonic molecular beam expansion and analyzed with the aid of ab initio molecular orbital calculations. The experimental results agree with theoretical calculations pointing to the predominance of the two most stable conformers of monosolvated FER whose CF3 group establishes intense NH,,,F interactions with the selected amines so as to orient them away from the aromatic ring. This reduces the enantioselectivity of FER toward the 2-aminobutane enantiomers as compared to that exhibited by the R-1- phenylethanol (ER) analogue, where obviously NH,,,F interactions are absent. (literal)
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