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Inter‐ and intramolecular electron transfer in copper complexes: electronic entatic state with redox‐active guanidine ligands

Abstract Fast and efficient electron transfer in blue copper proteins is realized by a structural harmonization between the CuI and CuII complex pair (?entatic state? model). Herein, we present now a CuI/CuII complex pair with redox?active guanidine ligands showing almost perfect match between both...

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Main Authors: Schrempp, David (Author) , Leingang, Simone (Author) , Schnurr, Martin (Author) , Kaifer, Elisabeth (Author) , Wadepohl, Hubert (Author) , Himmel, Hans-Jörg (Author)
Format: Article (Journal)
Language:English
Published: September 6, 2017
In: Chemistry - a European journal
Year: 2017, Volume: 23, Issue: 55, Pages: 13607-13611
ISSN:1521-3765
DOI:10.1002/chem.201703611
Online Access:Verlag, Volltext: http://dx.doi.org/10.1002/chem.201703611
Verlag, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/chem.201703611
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Author Notes:David F. Schrempp, Simone Leingang, Martin Schnurr, Elisabeth Kaifer, Hubert Wadepohl, and Hans-Jörg Himmel
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Summary:Abstract Fast and efficient electron transfer in blue copper proteins is realized by a structural harmonization between the CuI and CuII complex pair (?entatic state? model). Herein, we present now a CuI/CuII complex pair with redox?active guanidine ligands showing almost perfect match between both redox states. By modifying the ligand electron donor strength, the redox chemistry of the copper complex can be controlled to be either metal?centered or to cross the borderline to ligand?centered. This work is the first systematic study of complexes with redox?active ligands within the concept of the entatic state.
Item Description:Gesehen am 04.04.2018
Physical Description:Online Resource
ISSN:1521-3765
DOI:10.1002/chem.201703611

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