Effect of the Porphyrin Structure on the Kinetics of Complex Formation with Zinc Dipyrromethene in Dimethylformamide |
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| Authors: | O R Simonova S V Zaitseva O I Koifman |
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| Institution: | (1) Institute of Solution Chemistry, Russian Academy of Sciences, ul. Akademicheskaya 1, Ivanovo, 153045, Russia;(2) Ivanovo State University of Chemical Technology, Ivanovo, Russia |
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| Abstract: | The kinetics of complex formation of zinc dipyrromethene with tetraphenylporphyrin, octaethylporphyrin, and 5,15-dipentyl-2,3,7,8,12,13,17,18-octamethylporphine at 368–420 K have been studied. The kinetic parameters (k app, k v) of the complex formation processes have been determined. The porphyrin molecules have been optimized by the PM3 quantum-chemical method, and their geometric characteristics have been obtained. The effect of the structure and macrocycle strain of porphyrins on the complex formation rate is discussed. |
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