Gas-phase tautomeric equilibrium of 4-hydroxypyrimidine with its ketonic forms: a free jet millimiterwave spectroscopy study (Articolo in rivista)

Type
Label
  • Gas-phase tautomeric equilibrium of 4-hydroxypyrimidine with its ketonic forms: a free jet millimiterwave spectroscopy study (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ja070712q (literal)
Alternative label
  • Raquel Sanchez; Barbara M.Giuliano; Sonia Meandri; Laura B.Favero; Walther Caminati (2007)
    Gas-phase tautomeric equilibrium of 4-hydroxypyrimidine with its ketonic forms: a free jet millimiterwave spectroscopy study
    in Journal of the American Chemical Society (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Raquel Sanchez; Barbara M.Giuliano; Sonia Meandri; Laura B.Favero; Walther Caminati (literal)
Pagina inizio
  • 6287 (literal)
Pagina fine
  • 6290 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 129 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 19 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Univ Bologna, Dipartimento Chim, I-40126 Bologna, Italy; Univ Bologna, Dipartimento Chim, I-40126 Bologna, Italy; Univ Bologna, Dipartimento Chim, I-40126 Bologna, Italy; ISMN, Ist Studio Mat Nanostrutt, I-40129 Bologna, Italy; Univ Bologna, Dipartimento Chim, I-40126 Bologna, Italy; (literal)
Titolo
  • Gas-phase tautomeric equilibrium of 4-hydroxypyrimidine with its ketonic forms: a free jet millimiterwave spectroscopy study (literal)
Abstract
  • 4-Hydroxypyrimidine (4HP) has two conformational forms (the hydroxyl hydrogen cis or trans with respect to the adjacent nitrogen), which are in tautomeric equilibrium with two ketonic forms, 4-pyrimidinone (4PO) and 6-pyrimidinone (6PO). We have investigated the free jet absorption millimeterwave spectrum of this system, assigning the rotational spectra of 4HPcis and 4PO; the latter species is more stable by 2.0(9) kJ/mol. No lines corresponding to the trans isomer of 4-hydroxypyridine and to 6PO have been observed. (literal)
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