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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2012, 3, 37—42.
Complex Formation of 5,10,15,20-Tetra(4-Chlorophenyl) Porphyrinate Zinc with 1,4-Diazabicyclo [2.2.2]Octane According to 1H NMR Spectroscopy Data in Benzene and Chloroform Solutions
I. A. Khodov1, G. A. Al'Per1, V. A. Golubev1, R. S. Kumeev1, M. Yu. Nikiforov1, A. V. Guryanov2
Author affiliations 1G. A. Krestov Institute of Solution Chemistry of the Russian Academy of Sciences
Ivanovo, 153045 Russia Akademicheskaya St., 1. E-mail: firstname.lastname@example.org 2Ivanovo State University, 153025 Ivanovo, Ermak Str., 39
Abstract The results of the study of the complexation of 5,10,15,20-tetra(4-chlorophenyl) porphyrinate zinc with 1.4-diazabicyclo(2.2.2)octane in chloroform-d and benzene-d6 at different ratios of molar concentrations of porphyrinate and substrate by 1H NMR spectroscopy and the spin-lattice relaxation time measurement (500 MHz) are presented.The dominant relaxation mechanism was established. The equilibrium constant for the complexation reaction was estimated.
Keywords: metal complex, NMR relaxation, 1.4-diazabicyclo(2.2.2)octane, 5,10,15,20-tetra(4-chlorophenyl)porphyrinate zinc