期刊
CHEMICAL COMMUNICATIONS
卷 51, 期 15, 页码 3113-3116出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cc09594d
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资金
- American Chemical Society [52988-ND3]
- Department of Energy, BES Catalysis Science Program [DE-FG02-11ER16254]
- National Science Foundation [CHE-1255424]
- Sloan Research Fellowship
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1255424] Funding Source: National Science Foundation
Organometallic Ni(III) intermediates have been proposed in several Nickel-catalyzed cross-coupling reactions, yet no isolated bis(hydrocarbyl)Ni(III) complexes have been reported to date. Herein we report the synthesis and detailed characterization of stable organometallic Ni(III) complexes that contain two trifluoromethyl ligands and are supported by tetradentate N-donor ligands (R)N4 (R = Me or tBu). Interestingly, the corresponding Ni(II) precursors undergo facile oxidation, including aerobic oxidation, to generate uncommonly stable organometallic Ni(III) complexes that exhibit limited reactivity.
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