Abstract
2,3,3-Trimethyl-3H-pyrrolo[3,2-c]quinoline and its 8-methoxy derivative were obtained from methyl isopropyl ketone 4-quinolylhydrazones. These bases form quaternary salts at the azine nitrogen atom, from which polymethine dyes were obtained. The changes in the absorption spectra of the dyes in solutions with various acidities were examined.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 7, pp. 948–951, July, 1982.
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Mikhailenko, F.A., Shevchuk, L.I., Tolmacheva, V.S. et al. 2,3,3-trimethyl-3h-pyrrolo[3,2-c]quinolines and polymethine dyes based on them. Chem Heterocycl Compd 18, 723–727 (1982). https://doi.org/10.1007/BF00568951
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DOI: https://doi.org/10.1007/BF00568951