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- Title
Trendbericht Anorganik 2022 Teil 2: Nebengruppen und Koordinationschemie, Bioanorganik und mehr.
- Authors
Ringenberg, Mark; Werncke, Gunnar
- Abstract
The trend report Inorganic 2022 Part 2 deals with various topics in the field of main group and coordination chemistry. Unusual bonding situations and oxidation states are discussed, such as the first linear gold(I)-ethylene complex and an Au···H-O interaction. Furthermore, low-valent compounds of transition metals, organometalates, and metal-metal bonds are investigated. Metal imides and their electronic variability are also discussed. The research results provide new insights and possibilities in inorganic chemistry. The group led by Suess used an iron(II)-sulfur cluster to produce a terminal iron imide. Imide ligands stabilize high oxidation states, allowing for the isolation of an iron(V)bis(imide) and oxidation up to the +VI oxidation state. An iron(II) imide can also act as a nucleophile and insert a carbodiimide into the M-imide bond, which can be used for the catalytic guanylation of carbodiimides. New insights into the activation of nitrogen-based molecules have also been gained, such as the strong activation of the N-N bond by an iron-molybdenum-sulfur cluster and the photochemical cleavage of dinitrogen within a tungsten complex. New insights into the metal-mediated activation of oxidized nitrogen species and metal-stabilized P species have also been obtained. Finally, bimolecular activations of bonds and small molecules, as well as the importance of the interaction of alkali metal cations with 3d metals and secondary ligand-metal interactions in catalysis, have been investigated. The summary of the text is as follows: The text deals with various developments in metal-based catalysis. It is shown that hydrogen bonds can support gold catalysis. Furthermore, ligand cooperations in C-H activation are investigated. Sustainable copper catalysis for water oxidation is presented. Nickel catalysts are discussed as alternatives to palladium. Iron catalysts enable the activation of C-H bonds. In photochemistry, chromium, vanadium, and manganese complexes are investigated as photosensitizers. The article covers various topics in the field of inorganic chemistry. It reports on the activation of molecules such as methane and ethane by cerium. Furthermore, the investigation of the protein manganese in relation to C-H bond activation is described. The development of coordination compounds for combating Sars-CoV-2 is also addressed. Other topics include FeS cluster chemistry and the investigation of the active site of non-heme iron taurine dioxygenase. Borate-based bimesoionic carbene compounds and their properties are also discussed. The authors also provide information about their current research projects and their expectations for future developments in electrochemistry and photochemistry.
- Subjects
CHEMICAL models; COPPER catalysts; IRON catalysts; BINDING sites; NICKEL catalysts; VANADIUM catalysts; CHROMIUM catalysts
- Publication
Nachrichten aus der Chemie, 2022, Vol 70, Issue 2, p52
- ISSN
1439-9598
- Publication type
Article
- DOI
10.1002/nadc.20224121461