A convenient method has been developed for preparing 5H-thiazolo[3,2-a]pyrimidines by the reaction of tetrahydropyrimidine-2-thiones with halocarboxylic acid esters or with 3-bromopentane-2,4-dione.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1662-1667, October, 2012.
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Shiryaev, A.K., Baranovskaya, N.S. & Eremin, M.S. Synthesis of 5H-thiazolo[3,2-a]pyrimidines. Chem Heterocycl Comp 48, 1550–1554 (2013). https://doi.org/10.1007/s10593-013-1172-x
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DOI: https://doi.org/10.1007/s10593-013-1172-x