Organometallic Ni(ii), Ni(iii), and Ni(iv) complexes relevant to carbon–carbon and carbon–oxygen bond formation reactions†,10.1039/D1QI01486B

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Organometallic Ni(ii), Ni(iii), and Ni(iv) complexes relevant to carbon–carbon and carbon–oxygen bond formation reactions†

C. Magallón,L. Griego,C. H. Hu,A. Company,X. Ribas,L. M. Mirica

Inorganic Chemistry Frontiers Pub Date : 01/13/2022 00:00:00 , DOI:10.1039/D1QI01486B

Abstract

Herein, the pyridinophanetetradentate ligand 3,6,9-trimethyl-3,6,9,15-tetraazabicyclo[9.3.1]pentadeca-1(15),11,13-triene, PyNMe₃, is used to isolate and structurally characterize well-defined organometallic Ni(II) and Ni(III) complexes bearing the cycloneophyl fragment, an alkyl/aryl C-donor ligand. Furthermore, spectroscopic and cryo-mass spectrometry studies suggest the formation of a transient Ni(IV) organometallic complex, and its relevance to C–C and C–O bond formation reactivity studies is discussed.