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Rohde, Jan-Uwe
Transition Metal Chemistry
Research Interests
  • Inorganic chemistry, coordination chemistry, organometallic chemistry, chemical synthesis, catalysis, green chemistry, inorganic reaction mechanisms.

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Reaction of a Redox-Active Ligand Complex of Nickel with Dioxygen Probes Ligand-Radical Character

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Title
Reaction of a Redox-Active Ligand Complex of Nickel with Dioxygen Probes Ligand-Radical Character
Author
Manuel, Tony D.Rohde, Jan-Uwe
Keywords
C-C bonds; Carboxamides; Chemical equations; Dioxygens; Ni complexes; Oxidation state; Pyridine ligands; Radical complexes; Redox-active; Redox-active ligand; Small molecules
Issue Date
200911
Publisher
AMER CHEMICAL SOC
Citation
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, v.131, no.43, pp.15582 - 15583
Abstract
(Chemical Equation Presented) Bis(imino)pyridine complex [Ni{2,6-(ArN=CMe)2C5H3N}Cl] (where Ar = 2,6-iPr2C6H3) was synthesized by reduction of the corresponding dichloride complex and characterized as a ligand-radical complex of NiII. Reaction of this complex with O 2 caused intraligand C-C bond cleavage to afford the Ni complex of the new iminoethylpyridylcarboxamidato ligand, which also was isolated as the corresponding carboxamide, 6-(ArN=CMe)C5H3N-2-C(O)NHAr. This reaction serves as an example of small-molecule activation effected directly at the redoxactive bis(imino)pyridine ligand without an overall oxidation state change at the Ni center.
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DOI
http://dx.doi.org/10.1021/ja9065943
ISSN
0002-7863
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