Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 139, Issue 25, Pages 8718-8724Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b04158
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Funding
- Ubbo Emmius fund of the University of Groningen
- European Research Council (StG) [279549]
- NWO for VIDI grant [723.014.010]
- Netherlands Ministry of Education, Culture and Science [024.001.035]
- MINECO [CTQ2014-59212-P, CTQ2015-70851-ERC]
- Gen-Cat [2014SGR1202]
- FEDER [UNGI10-4E-801]
- COST action [CM1305, COST-STSM-CM1305-29045]
- European Research Council (ERC) [279549] Funding Source: European Research Council (ERC)
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A reactive high-valent dinuclear nickel(IV) oxido bridged complex is reported that can be formed at room temperature by reaction of [(L)(2)Ni(II)(2)(mu-X)(3)]X (X = Cl or Br) with NaOCl in methanol or acetonitrile (where L = 1,4,7 - trimethyl-1,4,7-triazacyclononane). The unusual Ni(IV) oxido species is stabilized within a dinuclear tris-mu-oxido-bridged structure as [(L)(2)Ni(IV)(2)(mu-O)(3)](2+). Its structure and its reactivity with organic substrates are demonstrated through a combination of UV-vis absorption, resonance Raman, H-1 NMR, EPR, and X-ray absorption (near-edge) spectroscopy, ESI mass spectrometry, and DFT methods, The identification. of a Ni(IV)-O species opens opportunities to control the reactivity of NaOCl for selective oxidations.
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