Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10244839 | Journal of Catalysis | 2005 | 9 Pages |
Abstract
The TPPTS-Rh complex [TPPTS = trisodium salt of tri-(m-sulfophenyl)-phosphine, P(m-C6H4SO3Na)3], which was dissolved in the ionic liquids 1-butyl-3-methyl-imidazolium tetrafluoroborate (BMIâ
BF4), 1-butyl-3-methyl-imidazolium hexafluorophosphate (BMIâ
PF6), and 1,1,3,3-tetramethylguanidinium lactate (TMGL), was immobilized on MCM-41. The resulting supported ionic liquid-phase catalysts (SILPCs) were very active for the hydroformylation of higher olefins. The SILPCs with the regular hexagonal array of MCM-41 were structurally stable before and after the catalytic reaction, as characterized by XRD, N2 adsorption/desorption, FTIR, 31P-NMR, SEM, HRTEM, and TGA-DSC. The obtained SILPCs showed higher catalytic activity, independent of IL type, as compared with their ionic liquid-organic biphasic counterparts and the one with SiO2 as carrier. Such SILPCs could be reused several times without significant loss of activity or selectivity.
Related Topics
Physical Sciences and Engineering
Chemical Engineering
Catalysis
Authors
Yong Yang, Changxi Deng, Youzhu Yuan,