Chemistry of Nitrosyliron Complexes Supported by a beta-Diketiminate Ligand
Author(s)Tonzetich, Zachary J.; Heroguel, Florent; Do, Loi Hung; Lippard, Stephen J.
Chemistry of Nitrosyliron Complexes Supported by a β-Diketiminate Ligand
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Several nitrosyl complexes of Fe and Co have been prepared using the sterically hindered Ar-nacnac ligand (Ar-nacnac = anion of [(2,6-diisopropylphenyl)NC(Me)]2CH). The dinitrosyliron complexes [Fe(NO)2(Ar-nacnac)] (1) and (Bu4N)[Fe(NO)2(Ar-nacnac)] (2) react with [FeIII(TPP)Cl] (TPP = tetraphenylporphine dianion) to generate [FeII(NO)(TPP)] and the corresponding mononitrosyliron complexes. The factors governing NO transfer with dinitrosyliron complexes (DNICs) 1 and 2 are evaluated, together with the chemistry of the related mononitrosyliron complex, [Fe(NO)Br(Ar-nacnac)] (4). The synthesis and properties of the related cobalt dinitrosyl [Co(NO)2(Ar-nacnac)] (3) is also discussed for comparison to DNICs 1 and 2. The solid-state structures of several of these compounds as determined by X-ray crystallography are reported.
DepartmentMassachusetts Institute of Technology. Department of Chemistry
American Chemical Society
Tonzetich, Zachary J. et al. “Chemistry of Nitrosyliron Complexes Supported by a β-Diketiminate Ligand.” Inorganic Chemistry 50.4 (2011): 1570-1579.
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