Conclusions
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1.
1,2-Dihydro-1-oxo-3-methyl-6-substituted pyrrolo [1,2-c]pyrimidines were obtained for the first time.
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2.
Deuterium exchange of the hydrogen atoms in D2O was studied by mass spectroscopy. A triple prototropic tautomerism was shown for 1,2-dihydro-1-oxo-6-substituted pyrrolo[1,2-c]pyrimidines.
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3.
1,2-Dihydro-3-methyl-6-substituted pyrrolo [1,2-c]pyrimidines are completely protonated at theα-carbon atom.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 10, pp. 2364–2369, October, 1983.
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Ivanov, V.B., Reznik, V.S. & Efremov, Y.Y. Synthesis and determination of the structure of pyrrolo [1,2-c] pyrimidines. Russ Chem Bull 32, 2130–2134 (1983). https://doi.org/10.1007/BF00955787
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DOI: https://doi.org/10.1007/BF00955787