Abstract
The reaction of 2-aminopyridine with 1,5-diaryl-4-ethoxycarbonyltetrahydropyrrole-2,3-diones gave 1∶1 complexes, which are converted to N-(2-pyridyl)-1,5-diaryl-3-hydroxy-2-oxo-2,5-dihydropyrrole-4-carboxamides when they are heated above their melting points without a solvent. The character of the hydrogen bonds in the complexes obtained is discussed.
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See [1] for Communication 20.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 32–36, January, 1992.
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Gein, V.L., Shumilovskikh, E.V., Voronina, É.V. et al. Five-membered 2,3-dioxo heterocycles. 21. Reaction of 1,5-diaryl-4-ethoxycarbonyl-tetrahydropyrrole-2,3-diones with 2-aminopyridine. Chem Heterocycl Compd 28, 27–30 (1992). https://doi.org/10.1007/BF00529473
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DOI: https://doi.org/10.1007/BF00529473