AI Article Synopsis
- - A nickel(II) chloride complex with a tridentate β-diketiminato ligand was reacted with KSi(SiMe), producing a nickel(I) radical featuring a T-shaped geometry, confirmed by EPR studies.
- - The nickel(I) radical then reacted with TEMPO, leading to the creation of a rare three-membered nickeloxaziridine complex.
- - Additionally, the nickel(I) radical could cleave disulfide and diselenide bonds, resulting in a coupled product, and it also activates dihydrogen to form a nickel hydride at room temperature.
Article Abstract
The reaction of a nickel(II) chloride complex containing a tridentate β-diketiminato ligand with a picolyl group [2,6-iPr -C H NC(Me)CHC(Me)NH(CH py)]Ni(II)Cl (1)] with KSi(SiMe ) conveniently afforded a nickel(I) radical with a T-shaped geometry (2). The compound's metalloradical nature was confirmed through electron paramagnetic resonance (EPR) studies and its reaction with TEMPO, resulting in the formation of a highly unusual three-membered nickeloxaziridine complex (3). When reacted with disulfide and diselenide, the S-S and Se-Se bonds were cleaved, and a coupled product was formed through carbon atom of the pyridine-imine group. The nickel(I) radical activates dihydrogen at room temperature and atmospheric pressure to give the monomeric nickel hydride.
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| http://dx.doi.org/10.1002/chem.202303957 | DOI Listing |
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