Synthesis, Crystal Structure, and Spectroscopic and Magnetic Properties of a New [Co4O(OOCNC9H18)6] Cluster

The synthesis, X-ray structure, and NMR (1H, 13C, 17O) and magnetic characterization of the complexes [Co(CO)2(tmpo)] (1) and [Co4O(OOCNC9H18)6] (2) are reported. Reaction of Co2(CO)8 in the presence of a 4-fold excess of tmpo yields in a few minutes the blue carbamato complex 2 in >80% yield. Th...

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Bibliographic Details
Published in:Organometallics 2001-02, Vol.20 (3), p.568-571
Main Authors: Jaitner, Peter, Veciana, Jaume, Sporer, Christian, Kopacka, Holger, Wurst, Klaus, Ruiz-Molina, Daniel
Format: Article
Language:English
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Summary:The synthesis, X-ray structure, and NMR (1H, 13C, 17O) and magnetic characterization of the complexes [Co(CO)2(tmpo)] (1) and [Co4O(OOCNC9H18)6] (2) are reported. Reaction of Co2(CO)8 in the presence of a 4-fold excess of tmpo yields in a few minutes the blue carbamato complex 2 in >80% yield. The reaction possibly takes place by a cascade mechanism with the complex [Co(CO)2tmpo] (1) as an intermediate and the nitroxyl radical acting as an oxidizing agent.
ISSN:0276-7333
1520-6041
DOI:10.1021/om0003335