MCM-41 Supported Water-soluble TPPTS–Rh Complex in Ionic Liquids: A New Robust Catalyst for Olefin Hydroformylation

Abstract

MCM-41 mesoporous silicas-supported water-soluble TPPTS–Rh complex in the ionic liquid TMGL exhibited high performance and stability for the hydroformylation of 1-hexene, and the catalyst system could be reused many times without reducing the activity and selectivity.

Supported ionic liquids: versatile reaction and separation media

“…Rhodium-based SILP catalysts have been used for the hydroformylation of 1-hexene in batch mode reactions using TPPTS catalysts [19]. The Rh-TPPTS complexes were dissolved in [BMIM][X] (X = PF 6 , BF 4 ) and 1,1,3,3-tetramethylguanidinium lactate (TMGL) ionic liquids and immobilised on mesoporous MCM-41 support by physisorption using conventional wet impregnation.…”

Supported Ionic Liquid Phase (SILP) Catalysis: An Innovative Concept for Homogeneous Catalysis in Continuous Fixed‐Bed Reactors

“…tetramethylguanidinium lactate (TMGL) supported on mesoporous MCM-41. [13] The catalytic performance of these catalysts was investigated in hydroformylation of different alkenes (C 6 to C 12 ), and the SILP catalysts were further characterised by various methods. 31 P NMR spectroscopic data revealed that the Rh-TPPTS complex formation in the SILP system occurred in a similar way to that in an aqueous solution, clearly indicating the homogeneous nature of Rh/SILP catalyst systems.…”

Recent Advances in Catalysis Over Mesoporous Molecular Sieves

“…Recently, many contributions in the literature are devoted to the different approaches aiming at the immobilization of IL on the surface of porous materials including sol-gel method [155], immobilization of IL through covalent bonding, via ionic liquid fragments attached to the support [156], or physisorption of IL using conventional wet impregnation [157]. Recent advances in the immobilization of chiral catalysts containing bis (oxazolines) and related ligands were reported by Mayoral et al [158].…”