Abstract
A series of new compounds including 2-({[(4-(propoan-2-yl)benzyl]Oxy}methyl)tetrahydrofuran ligand were tested in order to link auxiliary and labile ligands to iron arene complexes. The given reaction of benzyletherfurane ligand with Fe (II) sources resulted to the isolation of unexpected mixed valence µ3-oxo-Fe6IIFeIII compound, which has been fully characterized by x-ray crystallography. The resulting complex differs from the similar compound known in the literature. Key words: Mixed valence complex, heptanuclear Fe(II,III), wheel motif structure, dangling spatial orientation of furfuryl ligand, 2-({[4-(propoan-2-yl)benzyl]Oxy}methyl)tetrahydrofuran, single crystal.
Highlights
Stoechiometrical and functional organometallic materials based on molecular building blocks represent an increasingly important area of research in contemporary materials applied chemistry
An attempt to synthesize Fe(II) like tweezers complexes by reacting new 2-({[4(propoan-2-yl)benzyl]Oxy}methyl)tetrahydrofuran ligand 4 with Fe(II) sources, was possible to isolate an unexpected heptanuclear FeIIFe6III mixed μ3-oxo complex (Figure 1), this is similar to the one reported by Gael et al (2005) and Oshio et al (2003, 2009) as probably a minor by-product from the crystallization of arene complex
Raemy reported a possible existence of N2FeII(toluene) complex 2 resulting from the treatment of FeCl2 in toluene under permanent nitrogen bubbling trough the reaction mixture (Raemy, 2003)
Summary
Stoechiometrical and functional organometallic materials based on molecular building blocks represent an increasingly important area of research in contemporary materials applied chemistry Due to their constitutional order, such compounds have always attracted much attention in a variety of applications. These applications include electrochemical sensors (Balzani et al, 2006; Daniel et al, 2003a, 2004), redox catalysts (Kim et al, 2003), and molecular Batteries (Astruc et al, 2002; Nlate et al, 2000).
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