The electrochemistry of strapped and capped porphyrin monomers, mono- and doubly-linked dimers, and their Zn and Mg complexes

J. Y. Becker, D. Dolphin, J. B. Paine, T. Wijesekera

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20 Scopus citations

Abstract

The interaction between two "spatially close" porphyrins plays important roles in biochemical functions. The present study focuses on the effects of distortion, steric hindrance, distance and orientation exerted by a variety of porphyrin monomers (strapped and capped) and dimers (mono- and doubly-linked) on their redox properties as well as the stability of positively charged intermediates derived from them. Cyclic voltammograms have been conducted in aprotic media on both free bases and their metal complexes (Zn and Mg). The effect of the nature of supporting electrolyte on the anodic peak potentials and wave separation has been studied in the case of conjugated directly-linked bis-zinc and bis-magnesium porphyrins.

Original languageEnglish
Pages (from-to)335-346
Number of pages12
JournalJournal of Electroanalytical Chemistry
Volume164
Issue number2
DOIs
StatePublished - 25 Apr 1984
Externally publishedYes

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