Quinaldine derivatives with fluorine-containing substituents and cyanine dyes based on them |
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| Authors: | Z. Ya. Krainer P. F. Gudz' L. M. Yagupol'skii |
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| Affiliation: | (1) Institute of Organic Chemistry, Academy of Sciences of the Ukrainian SSR, 252660 Kiev;(2) Ternopol Pedagogical Institute, 282010 Ternopol |
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| Abstract: | Condensation of fluorine-containing anilines with paraldehyde gave quinaldine derivatives with CF3, CF3S, and CF3SO2 groups in the 6 position, from which carbocyanine, merocyanine, and styryl dyes were synthesized. Fluorine-containing groups lower the basicity of quinaldine by 0.7–2.0 pKa units and lead to deepening of the color of the dyes.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 1, pp. 76–78, January, 1978. |
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