Abstract
Previously undescribed pyrimidine betaines with cycloammonium and triphenylphosphonium cations were obtained. A study of the UV, IR, PMR, and mass spectra made it possible to draw a conclusion regarding the noncyclic structure of betaines stabilized by an intramolecular donor-acceptor interaction of the charge-transfer complex (CTC) type.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 12, pp. 1687–1690, December, 1978.
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Kochkanyan, R.O., Radkova, S.S., Klyuev, N.L. et al. Synthesis of pyrimidine betaines with phosphonium and cycloammonium cations. Chem Heterocycl Compd 14, 1372–1375 (1978). https://doi.org/10.1007/BF00487411
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DOI: https://doi.org/10.1007/BF00487411