N-Oxides of polychloropyridines.13C NMR study

N. N. Sveshnikov, A. M. Sipyagin, V. M. Anisimov

Research output: Contribution to journalArticlepeer-review

Abstract

The effect of N-oxidation of a series of polychloropyridines on13C NMR parameters has been studied. It has been established that in N-oxides of polychloropyridines an electric field through-space effect of the N-oxide group predominates in the shielding of the γ-carbon atom compared to the other carbon atoms. A linear correlation between13C NMR chemical shifts and total charge densities calculated by the MNDO method for the carbon atoms of N-oxides of polychloropyridines has been found.

Original languageEnglish (US)
Pages (from-to)2319-2322
Number of pages4
JournalRussian Chemical Bulletin
Volume44
Issue number12
DOIs
StatePublished - Dec 1995
Externally publishedYes

Keywords

  • C NMR
  • C-H NMR coupling constants
  • MNDO method
  • N-oxides of polychloropyridines

ASJC Scopus subject areas

  • General Chemistry

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