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Issue 25, 2009
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A convenient ligand exchange pathway to [2Fe–2S] ferredoxin analogues

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Abstract

The benzanellated analogues (NEt4)2[Fe2S2(indolate)4] (2) and (NEt4)2[Fe2S2(carbazolate)4] (3) of the previously reported parent (NEt4)2[Fe2S2(pyrrolate)4] cluster (1) were synthesized and characterized spectroscopically. In contrast to 1 and 3, compound 2 can be applied as a versatile precursor in ligand exchange reactions with various thiophenols affording the thiophenolate-coordinate [2Fe–2S] clusters. Heteroaromatic thiols and chelating biphenols are suitable substrates in this conversion as well, providing a convenient access to a variety of new [2Fe–2S] ferredoxin analogues and related complexes. Several new S- and O-coordinate [2Fe–2S] clusters have been prepared and fully characterized, including five X-ray crystal structures.

Graphical abstract: A convenient ligand exchange pathway to [2Fe–2S] ferredoxin analogues

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Supplementary files

Article information


Submitted
21 Jan 2009
Accepted
01 Apr 2009
First published
08 May 2009

Dalton Trans., 2009, 4908-4917
Article type
Paper

A convenient ligand exchange pathway to [2Fe–2S] ferredoxin analogues

J. Ballmann, X. Sun, S. Dechert, B. Schneider and F. Meyer, Dalton Trans., 2009, 4908
DOI: 10.1039/B901242G

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