Rhodium(III) and iridium(III) complexes with quinolyl-functionalized cp ligands: synthesis and catalytic hydrogenation activity
Bis(ethene) complexes of rhodium(I) and iridium(I) with 8-quinolylcyclopentadienyl ligands (CpQ and CpQ*) were oxidized by a photochemically induced reaction with chlorine-containing solvents or by treatment with iodine. Upon this oxidation, the quinoline ring rotates and the N donor coordinates to...
Gespeichert in:
| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2008
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| In: |
European journal of inorganic chemistry
Year: 2008, Heft: 27, Pages: 4230-4235 |
| ISSN: | 1099-0682 |
| DOI: | 10.1002/ejic.200800217 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1002/ejic.200800217 Verlag, lizenzpflichtig, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/ejic.200800217 
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| Verfasserangaben: | Gerald Kohl, Hans Pritzkow, and Markus Enders |
MARC
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| 520 | |a Bis(ethene) complexes of rhodium(I) and iridium(I) with 8-quinolylcyclopentadienyl ligands (CpQ and CpQ*) were oxidized by a photochemically induced reaction with chlorine-containing solvents or by treatment with iodine. Upon this oxidation, the quinoline ring rotates and the N donor coordinates to the metal centers. Substitution of the halogenido ligands through acetato groups leads to highly soluble derivatives, in which the acetate moiety acts as a monodentate or bidentate ligand. The new Rh complexes were evaluated as catalysts for the hydrogenation of 1-hexene. The coordinatively saturated complexes show hydrogenation activity without the necessity of external bases. The catalytic activity is highest for the cationic complex [CpQ*Rh(O2CCH3)]+PF6- (6b), which contains a bidentate acetato ligand. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008) | ||
| 650 | 4 | |a Hemilabile ligands | |
| 650 | 4 | |a Hydrogenation | |
| 650 | 4 | |a Iridium | |
| 650 | 4 | |a Rhodium | |
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