Conclusions
IR and NMR spectral analysis indicated that quaternization of 1-vinylpyrazoles leads to a decrease in conjugation between the heterocycle and the vinyl group and to a significant leveling out of the charges on the atoms in the heterocycle and vinyl group.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1007–1012, May, 1985.
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Es'kova, L.A., Voronov, V.K., Domnina, E.S. et al. NMR and IR spectroscopic study of the structure of quaternary salts of 1-vinylpyrazoles. Russ Chem Bull 34, 917–921 (1985). https://doi.org/10.1007/BF01142775
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DOI: https://doi.org/10.1007/BF01142775