Abstract
2-Perfluoroalkylperimidines, 2,3-dihydroperimidines, perimidones, and thioxoperimidines are acylated by anhydrides and chlorides of perfluorinated acids without catalysts. It was established that this reaction proceeds considerably more readily than in the case of perimidine and its alkyl-substituted derivatives, since 2-perfluoroalkylperimidines, 2,3-dihydroperimidines, perimidones, and thioxoperimidines, because of their low basicities, are acylated in the form of neutral molecules, whereas simple perimidines form cations with low reactivities under the same conditions.
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See [1] for communication 41.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 418–421, March, 1979.
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Pozharskii, A.F., Yurchuk, G.G. Heterocyclic analogs of pleiadiene. 42. Acylation of perimidines and 2,3-dihydroperimidines with derivatives of perfluorocarboxylic acids. Chem Heterocycl Compd 15, 346–349 (1979). https://doi.org/10.1007/BF00474107
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DOI: https://doi.org/10.1007/BF00474107