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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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Date
07/01/2016
Author
How, Rebecca Catherine
Hembre, Robert
Ponasik, James A.
Tolleson, Ginette S.
Clarke, Matt
Keywords
QD Chemistry
NDAS
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Abstract
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.
Citation
How , R C , Hembre , R , Ponasik , J A , Tolleson , G S & Clarke , M 2016 , ' 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*)] ' , Catalysis Science & Technology , vol. 6 , pp. 118-124 . https://doi.org/10.1039/C5CY00886G
Publication
Catalysis Science & Technology
Status
Peer reviewed
DOI
https://doi.org/10.1039/C5CY00886G
ISSN
2044-4753
Type
Journal article
Rights
Copyright 2015 the Authors. This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at: https://dx.doi.org/10.1039/C5CY00886G
Description
The authors thank the Eastman Chemical Company for funding.
Collections
  • University of St Andrews Research
URL
http://www.rsc.org/suppdata/c5/cy/c5cy00886g/c5cy00886g1.pdf
URI
http://hdl.handle.net/10023/9219

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