Abstract
The reaction of primary and secondary amines with 4-arylidenepyrazolones gives the corresponding ammonium salts of 4,4′-benzylidenebis-5-pyrazolone derivatives but not adducts on the exocyclic C=C bond as was previously believed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 905–908, July, 1988.
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Mann, G., Bendler, D., Hennig, L. et al. Reaction of 4-arylidene-3-methyl-1-phenyl-5-pyrazolones with amines. Chem Heterocycl Compd 24, 743–746 (1988). https://doi.org/10.1007/BF00633167
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DOI: https://doi.org/10.1007/BF00633167