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Russian Journal of General Chemistry

, Volume 89, Issue 6, pp 1297–1306 | Cite as

Tetrasubstituted Phthalocyanines with Benzoic Acids Moieties

  • D. A. KuznetsovaEmail author
  • T. V. TikhomirovaEmail author
  • V. E. MaizlishEmail author
  • G. P. ShaposhnikovEmail author
Article

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.

Keywords

nitrile phthalocyanine metal complexes electronic absorption spectra 

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.Research Institute of MacroheterocyclesIvanovo State University of Chemical TechnologyIvanovoRussia

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