ChemInform Abstract: DIE “SAEURE” DES ROTEN ROUSSINSCHEN SALZES, (ON)2FE(SH)2FE(NO)2, UND IHRE DERIVATE

Beck, W.; Grenz, Reinhard; Goetzfried, F.; Vilsmaier, Elmar

doi:10.1002/chin.198147036

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“…Cluster conversion scheme for iron–sulfur–nitrosyl clusters 18 – 28 including schematic structures and reactions. ,− …”

Section: Cluster Conversionsmentioning

confidence: 99%

“…Although this Review focuses on weak-field iron–sulfur clusters, we take brief note of nitrosyl clusters to recognize certain unique parallels in structure and cluster conversion reactions between these strong-field and the preceding weak-field cases. The former are included in Figure as citations to structures and reactivity. ,− The scope is limited to reactants and products that bind only NO at terminal iron sites (except for 20 and 28 ). As in many investigations of Fe–S–NO chemistry, the venerable cluster anions 18 and 19 of Roussin’s red and black salts, respectively, figure prominently.…”

Section: Iron–sulfur–nitrosyl Clustersmentioning

confidence: 99%

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Structural Conversions of Synthetic and Protein-Bound Iron–Sulfur Clusters

Holm

2016

Chem. Rev.

133

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Synthetic iron-sulfur clusters of general formulation [FeSL] with core atoms Fe and S and terminal ligands L constitute a family of molecular clusters with remarkably diverse geometrical and electronic structures. Several structure types are also found in proteins. The large majority of research on these clusters has involved elucidation of physical properties. Here, we direct attention to reactivity in the form of cluster conversions in which the FeS cores of reactants are transformed to new structures, usually of different nuclearity, in overall reactions such as self-assembly and fragment condensation and dissociation. An extensive body of core conversions, many of which have not been recognized as such, are presented including those in biological systems. All structural core types are depicted, and all core conversions are diagrammatically summarized. Clusters containing the cubane-type FeS core play a central role in conversion chemistry. The core conversion concept tends to reinforce the description of iron-sulfur cores as modular units subject to various covalent bond interactions that lead to different structures.

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