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Abstract:

An additivity relationship of substituent effects on the formyl proton chemical shift has been tested with ten disubstituted benzaldehydes. In most cases it is found that the formyl proton chemical shift, extrapolated to infinite dilution in nitromethane, is in good agreement with that calculated using the additivity relationship. Copyright © 1980 Heyden & Son Ltd.

Registro:

Documento: Artículo
Título:Additive of substituent effects on the chemical shift of the formyl proton in disubstituted benzaldehydes
Autor:Castañeda, H.O.; Contreras, R.H.; de Kowalewski, D.G.
Filiación:Departamento de Física, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón 1, Buenos Aires, 1428, Argentina
Año:1980
Volumen:13
Número:4
Página de inicio:308
Página de fin:309
DOI: http://dx.doi.org/10.1002/mrc.1270130421
Título revista:Organic Magnetic Resonance
Título revista abreviado:Magn. Reson. Chem.
ISSN:00304921
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00304921_v13_n4_p308_Castaneda

Referencias:

  • Contreras, R.H., de Kowalewski, D.G., Osella, A., Org. Magn. Reson. in press; Contreras, R.H., de Kowalewski, D.G., (1974) J. Mol. Struct., 23, p. 209
  • Zanger, M., The determination of aromatic substitution patterns by nuclear magnetic resonance (1972) Organic Magnetic Resonance, 4, p. 1
  • Beeby, J., Sternhell, S., Hoffmann‐Ostenhof, T., Pretsch, E., Simon, W., (1973) Anal. Chem., 45, p. 1571
  • Batts, B.D., Pasaribu, S.J., Williams, L.R., The proton magnetic resonance spectra of some disubstituted acetophenones (1977) Organic Magnetic Resonance, 9, p. 210
  • Hólik, M., Effect of substituents on the1H n.m.r. spectra ofpara-disubstituted benzenes. A graphical aid in the correct assignment of chemical shifts (1977) Organic Magnetic Resonance, 9, p. 491
  • Kowalewski, V.J., (1969) J. Mol. Spectrosc., 30, p. 531

Citas:

---------- APA ----------
Castañeda, H.O., Contreras, R.H. & de Kowalewski, D.G. (1980) . Additive of substituent effects on the chemical shift of the formyl proton in disubstituted benzaldehydes. Organic Magnetic Resonance, 13(4), 308-309.
http://dx.doi.org/10.1002/mrc.1270130421
---------- CHICAGO ----------
Castañeda, H.O., Contreras, R.H., de Kowalewski, D.G. "Additive of substituent effects on the chemical shift of the formyl proton in disubstituted benzaldehydes" . Organic Magnetic Resonance 13, no. 4 (1980) : 308-309.
http://dx.doi.org/10.1002/mrc.1270130421
---------- MLA ----------
Castañeda, H.O., Contreras, R.H., de Kowalewski, D.G. "Additive of substituent effects on the chemical shift of the formyl proton in disubstituted benzaldehydes" . Organic Magnetic Resonance, vol. 13, no. 4, 1980, pp. 308-309.
http://dx.doi.org/10.1002/mrc.1270130421
---------- VANCOUVER ----------
Castañeda, H.O., Contreras, R.H., de Kowalewski, D.G. Additive of substituent effects on the chemical shift of the formyl proton in disubstituted benzaldehydes. Magn. Reson. Chem. 1980;13(4):308-309.
http://dx.doi.org/10.1002/mrc.1270130421