Stereoselectivity in the formation of tris-diimine complexes of Fe(II), Ru(II), and Os(II) with a C₂-symmetric chiral derivative of 2,2′-bipyridine
- Drahoňovský, Dušan Department of Chemistry, University of Fribourg, Switzerland
- Knof, Ulrich Department of Chemistry, University of Fribourg, Switzerland
- Jungo, Laurence Department of Chemistry, University of Fribourg, Switzerland
- Belser, Thomas Department of Chemistry, University of Fribourg, Switzerland
- Neels, Antonia Institute of Chemistry, University of Neuchâtel, Switzerland
- Labat, Gaël Charles Institute of Chemistry, University of Neuchâtel, Switzerland
- Stoeckli-Evans, Helen Institute of Chemistry, University of Neuchâtel, Switzerland
- Zelewsky, Alexander von Department of Chemistry, University of Fribourg, Switzerland
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2006
Published in:
- Dalton Transactions. - 2006, p. 1444 - 1454
English
A C₂-symmetric enantiopure 4,5-bis(pinene)-2,2′-bipyridine ligand (–)-L was used to investigate the diastereoselectivity in the formation of [ML₃]²⁺ coordination species (M = Fe(II), Ru(II), Os(II), Zn(II), Cd(II), Cu(II), Ni(II)), and [ML₂Cl₂] (M = Ru(II), Os(II)). The X-ray structures of the [ML₃]²⁺ complexes were determined for Δ-[FeL₃](PF₆)₂, Δ-[RuL₃](PF₆)₂, Λ-[RuL₃](PF₆)₂, Δ-[OsL₃](PF₆)₂, and Λ-[OsL₃](TfO)₂. All of these compounds were also characterized by NMR, CD and UV/VIS absorption spectroscopy. The [FeL₃]²⁺ diastereoisomers were studied in equilibrated solutions at various temperatures and in several solvents. The [RuL₃]²⁺ complexes, which are thermally stable up to 200 °C, were photochemically equilibrated.
- Faculty
- Faculté des sciences et de médecine
- Department
- Département de Chimie
- Language
-
- English
- Classification
- Chemistry
- License
- License undefined
- Identifiers
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- RERO DOC 5802
- DOI 10.1039/b512116g
- Persistent URL
- https://folia.unifr.ch/unifr/documents/300101
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