Abstract
The relative chemical shifts of ring protons in PMR spectra of 2-, 3-, and 4-monosubstituted pyridines (in DMSO-D6) are correlated with the F- and R-constants of the substitutents by using a two-parameter approach. Transmission factors characterizing the transfer of inductive and resonance effects in pyridine, pyrimidine, and s-triazine rings are analyzed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 11, pp. 1520–1523, November, 1989.
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Shkurko, O.P., Denisov, A.Y. & Mamaev, V.P. Substituent effect on ring proton chemical shifts in PMR spectra of monosubstituted pyridines. Chem Heterocycl Compd 25, 1272–1275 (1989). https://doi.org/10.1007/BF00481522
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DOI: https://doi.org/10.1007/BF00481522