Abstract
The conformational equilibrium in the 1-acyl-2-pyrazoline series caused by retarded rotation about the N(1)-CO bond in the case of protonation of the N(2) atom was studied by NMR spectroscopy.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 928–932, July, 1987.
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Dovgilevich, A.V., Pinson, V.V., Torocheshnikov, V.N. et al. Z,E isomerism of 1-formyl- and 1-acetyl-2-pyrazolines. Chem Heterocycl Compd 23, 762–765 (1987). https://doi.org/10.1007/BF00475644
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DOI: https://doi.org/10.1007/BF00475644