Abstract
Under the influence of phosphorus oxychloride, 1-acylpyrazolines condense to give 3-pyrazolinylpyrazoles; cleavage of the pyrazoline molecule occurs at the C3-N2 bond.
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A. N. Kost, G. A. Golubeva, L. A. Sviridova, I. I. Grandberg, and N. B. Chernysheva, Dokl. Akad. Nauk SSSR, 179, 337 (1968).
N. S. Kozlov and V. D. Pak, Zh. Obshch. Khim., 32, 3386 (1962).
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 9, pp. 1268–1270, September, 1974.
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Kost, A.N., Golubeva, G.A., Sviridova, L.A. et al. Condensation of 1-acylpyrazolines. Chem Heterocycl Compd 10, 1102–1104 (1974). https://doi.org/10.1007/BF00472135
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DOI: https://doi.org/10.1007/BF00472135