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- Title
Access to the Bis‐benzene Cobalt(I) Sandwich Cation and its Derivatives: Synthons for a “Naked” Cobalt(I) Source?
- Authors
Meier, Stefan C.; Holz, Albina; Kulenkampff, Jan; Schmidt, Alexei; Kratzert, Daniel; Himmel, Daniel; Schmitz, Dominik; Scheidt, Ernst‐Wilhelm; Scherer, Wolfgang; Bülow, Christine; Timm, Martin; Lindblad, Rebecka; Akin, Scott T.; Zamudio‐Bayer, Vicente; von Issendorff, Bernd; Duncan, Michael A.; Lau, J. Tobias; Krossing, Ingo
- Abstract
Abstract: The synthesis and structural characterization of the hitherto unknown parent Co(bz)2+ (bz=benzene) complex and several of its derivatives are described. Their synthesis starts either from a CoCO5+ salt, or directly from Co2(CO)8 and a Ag+ salt. Stability and solubility of these complexes was achieved by using the weakly coordinating anions (WCAs) [Al(ORF)4]− and [F{Al(ORF)3}2]− {RF=C(CF3)3} and the solvent ortho‐difluorobenzene (o‐DFB). The magnetic properties of Co(bz)2+ were measured and compared in the condensed and gas phases. The weakly bound Co(o‐dfb)2+ salts are of particular interest for the preparation of further CoI salts, for example, the structurally characterized low‐coordinate 12 valence electron Co(PtBu3)2+ and Co(NHC)2+ salts.
- Subjects
COBALT isotopes; GAS phase reactions; CONDUCTION electrons; BENZENE analysis; AROMATIC compound analysis
- Publication
Angewandte Chemie, 2018, Vol 130, Issue 30, p9454
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201803108