Effect of Successive Meso-Phenyl Substitution on the Dissociation Kinetics of Copper(II) Octaethylporphyrin |
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| Authors: | Klyueva M. E. Lomova T. N. Suslova E. E. Semeikin A. S. |
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| Affiliation: | (1) Institute of Solution Chemistry, Russian Academy of Sciences, 1 Akademicheskaya Ul., 153045 Ivanovo, Russian Federation;(2) Ivanovo State Chemical Engineering University, 7 F. Éngel'sa Prospekt, 153000 Ivanovo, Russian Federation |
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| Abstract: | We have synthesized complexes of copper(II) with octaethyl-, 5-phenyl octaethyl-, 5,15-diphenyl octaethyl-, and 5,10,15,20-tetraphenyl octaethylporphyrins. We have studied their dissociation kinetics in mixed solvents AcOH – H2SO4 at temperatures of 298 K to 343 K. We have determined the complete kinetic equations for dissociation of copper porphyrins for different compositions of the binary solvent AcOH – H2SO4. We provide a rational basis for electronic and steric effects on the stability of copper(II) octaethylporphyrin upon meso-phenyl substitution as a function of the degree of substitution. |
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| Keywords: | porphyrins complexes functional substitution dissociation kinetics |
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