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Conclusions

A1H and13C NMR spectral analysis permitted evaluation of electronic and steric effects in 1-vinylpyrazoles. 5-Methyl-1-vinylpyrazoles have predominantly S-cis-N2 orientation, while 1-vinylpyrazoles without substituents at C5 are conformer mixtures.

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Deceased.

Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1012–1018, May, 1985.

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Es'kova, L.A., Voronov, V.K., Domnina, E.S. et al. NMR Spectra and structure of 1-vinylpyrazoles. Russ Chem Bull 34, 922–926 (1985). https://doi.org/10.1007/BF01142776

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  • DOI: https://doi.org/10.1007/BF01142776

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