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Issue 2, 2014
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Effect of ligand substituent on the reactivity of Ni(II) complexes towards oxygen

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Abstract

Two radical-containing Ni(II) complexes having either parent salicylidene (complex 1) or 3,5-di-tert-butylsalicylidene (complex 2) in the ligand backbone were synthesized. Complex 2 underwent ligand centered C–H activation by aerial oxygen, forming the corresponding amide complex (2a). The UV-Vis/NIR spectral changes upon purging of molecular oxygen to 2 in CH2Cl2, along with ESI-MS analysis indicated the generation of Ni–oxygen/dioxygen species as the intermediate(s) for the amide formation. Interestingly, non-participation of the ligand centered π-radical in the oxidation process was observed.

Graphical abstract: Effect of ligand substituent on the reactivity of Ni(ii) complexes towards oxygen

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Publication details

The article was received on 31 Jul 2013, accepted on 26 Sep 2013 and first published on 26 Sep 2013


Article type: Communication
DOI: 10.1039/C3DT52072B
Citation: Dalton Trans., 2014,43, 394-397
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    Effect of ligand substituent on the reactivity of Ni(II) complexes towards oxygen

    S. Ghorai and C. Mukherjee, Dalton Trans., 2014, 43, 394
    DOI: 10.1039/C3DT52072B

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