The purpose-directed synthesis of a new heterocyclic system, 7,8-dihydroimidazo[1,2-c][1,3]thia- zolo[4,5-e]pyrimidine has been carried out based on the successive interaction of available 2-(aroyl- aminocyanomethylene)imidazolidines with hydrogen sulfide and triethyl orthoformate with subsequent intramolecular cyclocondensation of the obtained 8-aroylamino-7-thioxo-1,2,3,7-tetrahydroimidazo- [1,2-c]pyrimidines under the action of phosphorus pentasulfide or polyphosphoric acid.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 613–620, April, 2011.
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Kozachenko, A.P., Shablykin, O.V., Vasilenko, A.N. et al. Synthesis and structure of a new heterocyclic system – 7,8-dihydroimidazo- [1,2-c][1,3]thiazolo[4,5-e]pyrimidine. Chem Heterocycl Comp 47, 507–513 (2011). https://doi.org/10.1007/s10593-011-0788-y
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DOI: https://doi.org/10.1007/s10593-011-0788-y