Abstract
A new preparative method for obtaining 5-pyrazolones from N,N′-dimethyl-N,N′-diacylhydrazines that is based on the intramolecular formation of a C(3)-C(4) bond in the pyrazolone molecule was developed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 933–936, July, 1991.
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Magedov, I.V., Smushkevich, Y.I. New method for obtaining 5-pyrazolones. Chem Heterocycl Compd 27, 741–744 (1991). https://doi.org/10.1007/BF00476205
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DOI: https://doi.org/10.1007/BF00476205