Abstract
Mono- and diquaternary thiazolium salts with an active methyl or methylthio group containing pyridyl residues attached to the nitrogen atom were synthesized, and nullomethylidynemerocyanines based on them were prepared. The UV spectra of the dyes are discussed.
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See [1] for communication XVIII.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 341–345, March, 1977.
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Sych, E.D., Moreiko, O.V. & Dyadyusha, G.G. Thiazolocyanines. Chem Heterocycl Compd 13, 273–277 (1977). https://doi.org/10.1007/BF00470309
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DOI: https://doi.org/10.1007/BF00470309