Iridium models of rhodium Intermediates in hydroformylation catalysis: isolation and molecular structures of fluxional ae and ee isomers
We report the synthesis and single-crystal molecular structures of two stereoisomers of trigonal-bipyramidal hydrido dicarbonyl Ir complexes [(L2)Ir(H)(CO)2] with ae (axial-equatorial) and ee (equatorial-equatorial) ligand P coordination and fluxional behavior in solution. L2 is a new chelating bisp...
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| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
June 5, 2014
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| In: |
Organometallics
Year: 2014, Jahrgang: 33, Heft: 12, Pages: 3212-3214 |
| ISSN: | 1520-6041 |
| DOI: | 10.1021/om401139u |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1021/om401139u
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| Verfasserangaben: | Golnar Abkai, Sebastian Schmidt, Tobias Rosendahl, Frank Rominger, and Peter Hofmann |
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| 245 | 1 | 0 | |a Iridium models of rhodium Intermediates in hydroformylation catalysis |b isolation and molecular structures of fluxional ae and ee isomers |c Golnar Abkai, Sebastian Schmidt, Tobias Rosendahl, Frank Rominger, and Peter Hofmann |
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| 520 | |a We report the synthesis and single-crystal molecular structures of two stereoisomers of trigonal-bipyramidal hydrido dicarbonyl Ir complexes [(L2)Ir(H)(CO)2] with ae (axial-equatorial) and ee (equatorial-equatorial) ligand P coordination and fluxional behavior in solution. L2 is a new chelating bisphosphite with unprecedented high selectivity in Rh-catalyzed bis-hydroformylation of butadiene to adipic aldehyde. These Ir analogues are ideal stabilized structural models for nonseparable ae and ee Rh-hydroformylation resting state isomers [(L2)Rh(H)(CO)2]. With Ir, both stereoisomers with the same ligand could be characterized independently for the first time. | ||
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