Abstract
Sulfonation of 4-phenylphthalic acid gave 4-(p-sulfophenyl)phthalic acid triammonium salt which was used in the synthesis of tetra[4-(p-sulfophenyl)]phthalocyanine copper and cobalt complexes by the urea method. The products were characterized by elemental analyses and 13C NMR, IR, and electronic spectra. Some specific features of the electronic spectra of sulfophenyl-substituted metal phthalocyanines were revealed, depending on the central metal atom, solvent nature, and concentration.
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