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Influence of Positive Charge on the NMR Parameters of Mono- and Diprotonated Forms of 4-Dimethylaminopyridine

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Chemistry of Heterocyclic Compounds Aims and scope

By the example of 4-dimethylaminopyridine and some of its derivatives taken as model nitrogen heterocycles with several basic centers, the correlation of the parameters of the NMR spectra with the direction (regioselectivity) and multiplicity of protonation of these compounds in CF3COOH–CD2Cl2, TfOH–CD2Cl2, and FSO3H–SbF5 acid systems was studied. The established dependence of the spectral characteristics on the value of the introduced positive charge will be useful in studying the reactivity of similar heterocyclic systems in the presence of acidic agents.

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Authors and Affiliations

  1. N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 9 Akademika Lavrentieva Ave, Novosibirsk, 630090, Russia

    Alexander M. Genaev & George E. Salnikov

  2. Novosibirsk State University, 2 Pirogova St, Novosibirsk, 630090, Russia

    Konstantin Yu. Koltunov

  3. Boreskov Institute of Catalysis, 5 Akademika Lavrentieva Ave, Novosibirsk, 630090, Russia

    Konstantin Yu. Koltunov

Authors
  1. Alexander M. Genaev
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  2. George E. Salnikov
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  3. Konstantin Yu. Koltunov
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Correspondence to Konstantin Yu. Koltunov.

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Translated from Khimiya Geterotsiklicheskikh Soedinenii, 2020, 56(7), 892–897

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Genaev, A.M., Salnikov, G.E. & Koltunov, K.Y. Influence of Positive Charge on the NMR Parameters of Mono- and Diprotonated Forms of 4-Dimethylaminopyridine. Chem Heterocycl Comp 56, 892–897 (2020). https://doi.org/10.1007/s10593-020-02749-7

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  • DOI: https://doi.org/10.1007/s10593-020-02749-7

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