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Electrochemical and Spectroelectrochemical Properties of Free-Base Pyridyl- and N -Alkyl-4-Pyridylporphyrins in Nonaqueous Media

Yan Cui 1 Lihan Zeng 1 Yuanyuan Fang 1 Jialiang Zhu 1 Hai-Jun Xu 2, 3 Nicolas Desbois 2 Claude P. Gros 2, * Karl M. Kadish 1, *
* Auteur correspondant
1 Department of Chemistry [University of Houston]
2 ICMUB - Institut de Chimie Moléculaire de l'Université de Bourgogne [Dijon]
3 College of Chemical Engineering, Nanjing Forestry University
Abstract : Twelve structurally related pyridyl and meso-N-methylpyridylporphyrin derivatives are investigated electrochemically in different nonaqueous media. The UV/Vis spectrum of each newly investigated porphyrin was measured before and after electro-reduction and, based on this data, the site of electron transfer is proposed. An interaction occurs between the meso-pyridyl or meso-N-alkyl-4-pyridyl substituents and the porphyrin p-ring system, the magnitude of which depends upon the number of linked pyridyl or N-alkyl-4-pyridyl groups in the compound, the solvent, the supporting electrolyte, and/or other anions added to the solution.
Keywords : electrochemistry interacting centers nonaqueous media porphyrins spectroelectrochemistry spectral characterization cationic porphyrin complex-formation dna reduction binding n n-dimethylformamide dimethylformamide aggregation potentials
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01400268
Contributeur : Icmub - Université de Bourgogne <>
Soumis le : lundi 21 novembre 2016 - 16:41:23
Dernière modification le : vendredi 8 juin 2018 - 14:50:12

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UNIV-BOURGOGNE | CNRS | INC-CNRS | ICMUB

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Yan Cui, Lihan Zeng, Yuanyuan Fang, Jialiang Zhu, Hai-Jun Xu, et al.. Electrochemical and Spectroelectrochemical Properties of Free-Base Pyridyl- and N -Alkyl-4-Pyridylporphyrins in Nonaqueous Media. ChemElectroChem, Weinheim : Wiley-VCH, 2016, 3 (1), pp.110 - 121. ⟨10.1002/celc.201500374⟩. ⟨hal-01400268⟩

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