Rhenium and technetium complexes with N-heterocyclic carbenes – A review |
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| Affiliation: | 1. Chemistry Department, Inorganic Chemistry Laboratory, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece;2. Institute of Nanoscience and Nanotechnology, National Center for Scientific Research “Demokritos”, Aghia Paraskevi, 15310 Athens, Greece;1. Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM, 87545;2. Department of Radiation Oncology, University of Washington, Seattle, WA, 98105;3. Department of Chemistry, University of Missouri-Columbia, Columbia, MO, 65211;4. Research Reactor Center, University of Missouri-Columbia, Columbia, MO, 65211 |
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| Abstract: | The coordination chemistry of technetium and rhenium with N-heterocyclic carbenes of the dimethylimidazol-2-ylidene and 1,2,4-triazol-5-ylidene types is reviewed. Compounds containing the metals in the oxidation states “+7”, “+5” and “+1” are introduced. General trends and differences in the chemical behaviour of the complexes, particularly between the different metal cores (oxo, nitrido, imido) of Tc(V) and Re(V) compounds, are discussed. The influence of electronic and steric factors for the stabilisation of the metal complexes is explored. |
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