NDLI: Rhodium complexes stabilized by phosphine -functionalized phosphonium ionic liquids used as higher alkene hydroformylation catalysts : influence of the phosphonium headgroup on catalytic activity

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Luska, Kylie L. Stratton, Samantha A. Moores, Audrey Demmans, Karl Z.
Description	Author Affiliation: Luska KL ( Centre for Catalysis and Green Chemistry, Department of Chemistry, McGill University, 801 Sherbrooke St. W., Montreal, Quebec, Canada H3A 2K6.)
Abstract	Monodentate phosphine -functionalized phosphonium ionic liquids (PFILs) were employed as ligands for Rh complexes and used in the hydroformylation of higher alkenes . Three PFILs were designed by varying the length of the P-alkyl chain attached to the phosphonium moiety, for alkyl = methyl (1), butyl (2), octyl (3), in order to tune their solubility properties. In all PFILs, the phosphonium unit is linked to a diphenylphosphino functionality by an undecyl linker, with bis(trifluoromethylsulfonyl)imide as counter anion. These PFILs were combined with a Rh(I) precursor, $[Rh(acac)(CO)_{2}],$ to provide a biphasic hydroformylation catalyst for the transformation of 1-octene , 1-decene and 1-dodecene using tetradecyltributylphosphonium bis(trifluoromethylsulfonyl)imide, $[P_{4,4,4,14}]NTf_{2}$ as a solvent . Good activities and excellent selectivities were obtained for these PFILs-Rh(I) complexes. Variation of the P-alkyl length in the PFIL ligand influenced the stability, catalytic activity and selectivity of the PFIL-stabilized catalyst .
ISSN	14779226
Issue Number	43
Journal	Dalton Trans.
Volume Number	41
e-ISSN	13645447
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2012-11-21
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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