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Issue 7, 2005
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Synthesis and electrochemical studies of a covalently linked cobalt(ii) phthalocyanine–cobalt(ii) porphyrin conjugate

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Abstract

The synthesis of a cobalt phthalocyanine–cobalt porphyrin heteropentamer (cobalt(II) phthalocyanine–tetrakis(cobalt(II) tetrakis(5-phenoxy-10,15,20-triphenylporphyrin))), (CoPc–(CoTPP)4), containing four units of cobalt tetraphenylporphyrin linked to a central cobalt phthalocyanine macrocycle via ether linkages is reported. Cyclic voltammetry and spectroelectrochemistry were employed to characterize the complexes. Cyclic voltammetry and square wave voltammetry revealed nine processes. Spectroelectrochemistry of the pentamer confirmed that reduction occurs on the individual components in an alternating manner; the first reduction occurring on the CoTPP moieties, the second on the CoPc moiety, the third on the CoTPP moieties and so on. Oxidation occurred first on the CoPc moiety of the pentamer.

Graphical abstract: Synthesis and electrochemical studies of a covalently linked cobalt(ii) phthalocyanine–cobalt(ii) porphyrin conjugate

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Supplementary files

Article information


Submitted
10 Dec 2004
Accepted
23 Feb 2005
First published
07 Mar 2005

Dalton Trans., 2005, 1241-1248
Article type
Paper

Synthesis and electrochemical studies of a covalently linked cobalt(II) phthalocyanine–cobalt(II) porphyrin conjugate

Z. Zhao, K. I. Ozoemena, D. M. Maree and T. Nyokong, Dalton Trans., 2005, 1241
DOI: 10.1039/B418611G

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