Evaluating Metal Ion Identity on Catalytic Silylation of Dinitrogen Using a Series of Trimetallic Complexes.

Tytuł:: Evaluating Metal Ion Identity on Catalytic Silylation of Dinitrogen Using a Series of Trimetallic Complexes.
Autorzy:: Eaton MC; Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200 (USA).
Knight BJ; Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200 (USA).
Catalano VJ; Department of Chemistry, University of Nevada, Reno, NV 89557 (USA).
Murray LJ; Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, FL 32611-7200 (USA).
Źródło:: European journal of inorganic chemistry [Eur J Inorg Chem] 2020 Apr 30; Vol. 2020 (15-16), pp. 1519-1524. Date of Electronic Publication: 2020 Feb 21.
Typ publikacji:: Journal Article
Język:: English
Imprint Name(s):: Original Publication: Weinheim, Germany : Wiley-VCH, c1998-
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Grant Information:: R01 GM123241 United States GM NIGMS NIH HHS
Contributed Indexing:: Keywords: dinitrogen activation; dinitrogen silylation; multimetallic catalysis; nitrogen fixation; redox cooperativity
Entry Date(s):: Date Created: 20201019 Latest Revision: 20240329
Update Code:: 20240329
PubMed Central ID:: PMC7566828
DOI:: 10.1002/ejic.201901335
PMID:: 33071629
: Czasopismo naukowe

Pełny tekst

We report catalytic silylation of dinitrogen to tris(trimethylsilyl)amine by a series of trinuclear first row transition metal complexes (M = Cr, Mn, Fe, Co, Ni) housed in our tris(β-diketiminate) cyclophane ( L 3- ). Yields are expectedly dependent on metal ion type ranging from 14 to 199 equiv NH 4 + /complex after protonolysis for the Mn to Co congeners, respectively. For the series of complexes, the number of turnovers trend observed is Co > Fe > Cr > Ni > Mn, consistent with prior reports of greater efficacy of Co over Fe in other ligand systems for this reaction.

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