Self-association of sulfo derivatives of cobalt phthalocyanine in aqueous solution |
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Authors: | A A Voronina I A Kuzmin A S Vashurin G P Shaposhnikov S G Pukhovskaya O A Golubchikov |
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Institution: | 1. Ivanovo State University of Chemistry and Technology, Sheremetevskii pr. 7, Ivanovo, 153000, Russia
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Abstract: | Sulfo derivatives of cobalt phthalocyanine containing naphthalene fragments have been synthesized, and their self-association and molecular complexation with pyridine in aqueous solution have been studied by spectrophotometry. The dissociation constants of the dimeric associates have been determined. The effects of the number of functional groups in the peripheral substituents and of the axial ligand on the phthalocyanine dimerization process have been revealed. |
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