Abstract
Phthalonitriles substituted with o-hydroxybenzoic, o-aminobenzoic, and o-mercaptobenzoic acids moieties were synthesized by nucleophilic substitution of bromine in 4-bromophthalonitrile and of nitro group in 4-nitrophthalonitrile. Template condensation of these phthalonitriles with metal acetates gave the corresponding phthalocyanines. Metal-free phthalocyanines were synthesized by dissociation of the magnesium complexes of the substituted phthalocyanines in a sulfuric acid medium. Treatment of the resultant phthalocyanines with sodium ethoxide in ethanol yielded sodium salts of the carboxylic acids. The spectral properties of the compounds synthesized were examined.
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Russian Text © The Author(s), 2017, published in Rossiiskii Khimicheskii Zhurnal, 2017, Vol. 61, No. 1, pp. 67–76.
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This study was financially supported by the Ministry of Education and Science of the Russian Federation (project no. 4.1929.2017/4.6).
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No conflict of interest was declared by the authors.
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Kuznetsova, D.A., Tikhomirova, T.V., Maizlish, V.E. et al. Tetrasubstituted Phthalocyanines with Benzoic Acids Moieties. Russ J Gen Chem 89, 1297–1306 (2019). https://doi.org/10.1134/S1070363219060264
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DOI: https://doi.org/10.1134/S1070363219060264