Abstract
It is shown that the reaction of thiazolo[3,4-b][1,2,4]triazole-5-thiones with alkylating agents gives 5-methylthiothiazolotriazolium salts, which react with the appropriate intermediates to give polymethine dyes.
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See [1] for Communication 4.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 4, pp. 480–483, April, 1982.
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Mikitenko, E.K., Romanov, N.N. Synthesis and reactions of 3-aminothiazolidine-2-thion-4-one derivatives. 5. Polymethine dyes of the thiazolo[3,4-b][1,2,4]triazole series. Chem Heterocycl Compd 18, 362–364 (1982). https://doi.org/10.1007/BF00503553
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DOI: https://doi.org/10.1007/BF00503553