Stable bis(trifluoromethyl)nickel(III) complexes.
Stable bis(trifluoromethyl)nickel(III) complexes.
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稳定的双(三氟甲基)镍(III)络合物。
DOI:
10.1039/c4cc09594d
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发表时间:
2015
影响因子:
4.9
通讯作者:
Liviu M. Mirica
中科院分区:
文献类型:
--
作者:
Fengzhi Tang;N. Rath;Liviu M. Mirica
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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