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Abstract:

It is shown that tickling and INDOR techniques can be used jointly under certain conditions to give information unattainable by other means. These conditions are that all the transitions involved shall be connected in chain. The experiment fails if they are connected as a branch. Under these conditions INDOR lines can be split by tickling or, as we can also say, doublets resulting from tickling can show up in INDOR spectra. The technique can be used to determine the sign of a lone, long-range coupling in a multispin system. It was applied to 2,4-dichlorobenzaldehyde, the results showing that the long-range coupling across five bonds is positive. © 1982.

Registro:

Documento: Artículo
Título:TINDOR: A triple-resonance experiment and the problem of the sign of a lone long-range coupling constant
Autor:de Milou, M.E.; Kowalewski, V.J.
Filiación:Facultad de Ciencias Exactas, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Año:1982
Volumen:46
Número:1
Página de inicio:54
Página de fin:60
DOI: http://dx.doi.org/10.1016/0022-2364(82)90162-7
Título revista:Journal of Magnetic Resonance (1969)
ISSN:00222364
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00222364_v46_n1_p54_deMilou

Referencias:

  • Cohen, Freeman, McLauchlan, Whiffen, Determination of the signs of long-range proton spin coupling constants by nuclear magnetic triple resonance (1963) Molecular Physics, 7, p. 45
  • Czekalski, De Milou, Kowalewski, (1980) J. MAgn. Reson, 41, p. 61
  • De Kowalewski, Kowalewski, Double long-range spin-spin couplings between aldehydic and aromatic protons in the N.M.R. spectra of salicylaldehydes (1965) Molecular Physics, 9, p. 319
  • De Kowalewski, Kowalewski, Multiple long range spin-spin couplings in di-substituted benzaldehydes and hindered rotation (1965) Molecular Physics, 9, p. 331

Citas:

---------- APA ----------
de Milou, M.E. & Kowalewski, V.J. (1982) . TINDOR: A triple-resonance experiment and the problem of the sign of a lone long-range coupling constant. Journal of Magnetic Resonance (1969), 46(1), 54-60.
http://dx.doi.org/10.1016/0022-2364(82)90162-7
---------- CHICAGO ----------
de Milou, M.E., Kowalewski, V.J. "TINDOR: A triple-resonance experiment and the problem of the sign of a lone long-range coupling constant" . Journal of Magnetic Resonance (1969) 46, no. 1 (1982) : 54-60.
http://dx.doi.org/10.1016/0022-2364(82)90162-7
---------- MLA ----------
de Milou, M.E., Kowalewski, V.J. "TINDOR: A triple-resonance experiment and the problem of the sign of a lone long-range coupling constant" . Journal of Magnetic Resonance (1969), vol. 46, no. 1, 1982, pp. 54-60.
http://dx.doi.org/10.1016/0022-2364(82)90162-7
---------- VANCOUVER ----------
de Milou, M.E., Kowalewski, V.J. TINDOR: A triple-resonance experiment and the problem of the sign of a lone long-range coupling constant. 1982;46(1):54-60.
http://dx.doi.org/10.1016/0022-2364(82)90162-7