A modular family of phosphine-phosphoramidite ligands and their hydroformylation catalysts: steric tuning impacts upon the coordination geometry of trigonal bipyramidal complexes of type [Rh(H)(CO) 2 (P^P)]
Four new phosphine-phosphoramidite bidentate ligands have been synthesised and studied in rhodium-catalysed hydroformylation. Variable temperature NMR studies have been used along with HPIR to investigate the coordination mode of the trigonal bipyramidal complexes formed from [Rh(acac)(CO) 2 ], liga...
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| Veröffentlicht in: | Catalysis science & technology 2016-01, Vol.6 (1), p.118-124 |
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| container_title | Catalysis science & technology |
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| creator | How, Rebecca C. Hembre, Robert Ponasik, James A. Tolleson, Ginette S. Clarke, Matthew L. |
| description | Four new phosphine-phosphoramidite bidentate ligands have been synthesised and studied in rhodium-catalysed hydroformylation. Variable temperature NMR studies have been used along with HPIR to investigate the coordination mode of the trigonal bipyramidal complexes formed from [Rh(acac)(CO)
2
], ligand and syngas. It was found that small changes to the ligand structure have a large effect on the geometry of the active catalytic species. The rhodium catalysts of these new ligands were found to give unusually high iso-selectivity in the hydroformylation of propene and 1-octene. |
| doi_str_mv | 10.1039/C5CY00886G |
| format | Article |
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2
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2
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| fulltext | fulltext |
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| ispartof | Catalysis science & technology, 2016-01, Vol.6 (1), p.118-124 |
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| language | eng |
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| source | Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Catalysis Catalysts Ligands Modular Nuclear magnetic resonance Rhodium Synthetic fuels Tuning |
| title | A modular family of phosphine-phosphoramidite ligands and their hydroformylation catalysts: steric tuning impacts upon the coordination geometry of trigonal bipyramidal complexes of type [Rh(H)(CO) 2 (P^P)] |
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