Ketones derived from unsubstituted 2,3-dihydroperimidine were obtained by the selective reduction of the corresponding acylperimidines. The direct acylation of 2,3-dihydroperimidine in PPA is accompanied by dehydrogenation and leads to 4(9)-acylperimidines. The spectral characteristics of these products were discussed.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 902–906, June, 2009.
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Borovlev, I.V., Demidov, O.P. Synthesis of 2,3-dihydroperimidine ketones. Chem Heterocycl Comp 45, 721–725 (2009). https://doi.org/10.1007/s10593-009-0325-4
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DOI: https://doi.org/10.1007/s10593-009-0325-4