Abstract
6-Carbonyl-substituted lepidines and their quaternary salts were synthesized. Quino-4-cyanines were obtained from them. The introduction of carbonyl-containing substituents substantially deepens the color of the dyes obtained.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 943–947, July, 1984.
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Tolmachev, A.A., Sheiko, D.I. & Slominskii, Y.L. Quino-4-cyanines with carbonyl-containing substituents. Chem Heterocycl Compd 20, 767–771 (1984). https://doi.org/10.1007/BF00506968
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DOI: https://doi.org/10.1007/BF00506968