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Balonga, P.E.; Vásquez, C.; Contreras, R.H.; Kowalewski, V.J.; de Kowalewski, D.G. "Conformational analysis in 2,4-dinitrophenol by nuclear Overhauser effect experiments" (1984) Journal of Magnetic Resonance (1969). 59(1):58-62
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Abstract:

The cis conformation of the hydroxyl with respect to the nitro group in 2,4-dinitrophenol under fast exchange conditions and the consequent persistence of the intramolecular hydrogen bond are determined. These facts emerge from the existence of a scalar-coupling-of-the-first-kind relaxation interaction linking the phenolic and the ring protons of the compound which is directly established by a nuclear Overhauser effect experiment. Relaxation information is incidentally obtained. Decoupling experiments in solutions of 2-nitro-4-chlorophenol were made showing similar existence of the cis conformation. © 1984.

Registro:

Documento: Artículo
Título:Conformational analysis in 2,4-dinitrophenol by nuclear Overhauser effect experiments
Autor:Balonga, P.E.; Vásquez, C.; Contreras, R.H.; Kowalewski, V.J.; de Kowalewski, D.G.
Filiación:Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, C. Universitaria, Pabellón I, 1428 Buenos Aires, Argentina
Año:1984
Volumen:59
Número:1
Página de inicio:58
Página de fin:62
DOI: http://dx.doi.org/10.1016/0022-2364(84)90282-8
Título revista:Journal of Magnetic Resonance (1969)
ISSN:00222364
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222364_v59_n1_p58_Balonga

Referencias:

  • Schaefer, (1975) J. Phys. Chem., 79, p. 1888
  • Dietrich, Jorgensen, Kollman, Rothenberg, A theoretical study of intramolecular hydrogen bonding in ortho-substituted phenols and thiophenols (1979) Journal of the American Chemical Society, 98, p. 8310
  • Tylli, Konschin, Grundfelt-Forsius, (1981) J. Mol. Struct., 77, p. 37
  • Facelli, Contreras, de Kowalewski, Nudelman, (1982) XVI Argentine Congress of Chemistry, , Córdoba (Argentina)
  • Karabastos, Vane, Structural Studies by Nuclear Magnetic Resonance. VI. The Stereospecificity of Coupling between Protons Separated by Five Bonds and Conformations of Some Aromatic Aldehydes (1963) Journal of the American Chemical Society, 85, p. 3886
  • Bell, Danyluk, Schaefer, Signs of spin–spin coupling constants between aldehydic and ring protons in 2,6-dinitrobenzaldehyde. Evidence for a hyperconjugative contribution toJpH,CHO (1969) Canadian Journal of Chemistry, 47, p. 3529
  • Wasylishen, Schaefer, Nuclear Magnetic Resonance Spectra, Conformations, Spin Coupling Mechanisms, and INDO Molecular Orbital Calculations for the Monofluorobenzaldehydes and some Derivatives (1971) Canadian Journal of Chemistry, 49, p. 3216
  • Castellano, Kostelnik, (1967) Tetrahedron Lett., p. 5211
  • Rowbothan, Smith, Schaefer, A proton magnetic resonance estimate of the extent of intramolucular hydrogen bonding in derivatives of 2-trifluoromethyl phenol. Solvent effects (1976) Canadian Journal of Chemistry, 54, p. 2243
  • Schaefer, Chum, On the existence ofcisandtransconformational isomers in 2-methylphenol and 4-chloro-2-methylphenol (1978) Canadian Journal of Chemistry, 56, p. 1788
  • Schaefer, Rowbothan, Chum, The proton magnetic resonance spectra of phenol in the absence of intermolecular proton exchange (1976) Canadian Journal of Chemistry, 54, p. 3666
  • Noggle, Schirmer, (1971) The Nuclear Overhauser Effect (Chemical Applications), , Academic Press, New York
  • Kowalewski, (1969) J. Mol. Spectrosc., 30, p. 531
  • Dadok, Sprecher, (1974) J. Magn. Reson., 13, p. 243
  • CORREL program from the Nicolet Users Library; Redfield, (1965) Advances in Magnetic Resonance, 1, p. 1. , J.S Waugh, Academic Press, New York
  • Krishna, Gordon, Intermolecular nuclear Overhauser studies of coupled spin systems in high resolution NMR (1973) The Journal of Chemical Physics, 58, p. 5687
  • Balonga, (1984) J. Magn. Reson., 59, p. 50
  • Khazanovich, Zitserman, On external dipolar relaxation in a two-spin system (1971) Molecular Physics, 21, p. 65

Citas:

---------- APA ----------
Balonga, P.E., Vásquez, C., Contreras, R.H., Kowalewski, V.J. & de Kowalewski, D.G. (1984) . Conformational analysis in 2,4-dinitrophenol by nuclear Overhauser effect experiments. Journal of Magnetic Resonance (1969), 59(1), 58-62.
http://dx.doi.org/10.1016/0022-2364(84)90282-8
---------- CHICAGO ----------
Balonga, P.E., Vásquez, C., Contreras, R.H., Kowalewski, V.J., de Kowalewski, D.G. "Conformational analysis in 2,4-dinitrophenol by nuclear Overhauser effect experiments" . Journal of Magnetic Resonance (1969) 59, no. 1 (1984) : 58-62.
http://dx.doi.org/10.1016/0022-2364(84)90282-8
---------- MLA ----------
Balonga, P.E., Vásquez, C., Contreras, R.H., Kowalewski, V.J., de Kowalewski, D.G. "Conformational analysis in 2,4-dinitrophenol by nuclear Overhauser effect experiments" . Journal of Magnetic Resonance (1969), vol. 59, no. 1, 1984, pp. 58-62.
http://dx.doi.org/10.1016/0022-2364(84)90282-8
---------- VANCOUVER ----------
Balonga, P.E., Vásquez, C., Contreras, R.H., Kowalewski, V.J., de Kowalewski, D.G. Conformational analysis in 2,4-dinitrophenol by nuclear Overhauser effect experiments. 1984;59(1):58-62.
http://dx.doi.org/10.1016/0022-2364(84)90282-8