Abstract
The acetylation of 1-acyl(thioacyl)-5-hydroxy-2-pyrazoline produces recyclization to the corresponding acyl-5-(2-oxoalkyl)-1,3,4-oxa(thia)diazol-2-ine.
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Military Medical Academy, St. Petersburg 194175, Russia.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 90–96, January, 1999.
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Zelenin, K.N., Alekseev, V.V., Zelenin, A.K. et al. Recyclization of 1-acyl(thioacyl)-5-hydroxy-2-pyrazolines to 1,3,4-oxa(thia)diazol-2-ine derivatives on acetylation. Chem Heterocycl Compd 35, 87–92 (1999). https://doi.org/10.1007/BF02251669
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DOI: https://doi.org/10.1007/BF02251669