Catalytic SILP Materials

Riisager, Anders; Fehrmann, Rasmus; Haumann, Marco; Wasserscheid, Peter

doi:10.1007/3418_042

Cited by 70 publications

(88 citation statements)

References 37 publications

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“…18). [382] For instance, Mehnert et al used supported ionic liquid catalysts containing HRh(CO)(tppti) 3 (tppti ¼ tri(m-sulfonyl)triphenyl phosphine tris(l-butyl-3-methylimidazolium) salt for homogeneous hydroformylation. [386] In another work, the authors used supported ionic liquids catalysts containing Ru(ndb)(PPh 3 ) 2 PF 6 (ndb ¼ norbornadiene, PPh 3 ¼ triphenylphosphine) for hydrogenation reactions.…”

Section: Supported Ionic Liquid Phase (Silp) Catalystsmentioning

confidence: 99%

“…There are many other examples along this direction, [392][393][394][395][396][397][398][399] and the interested reader is referred to several reviews for an extended reading. [381][382][383] Up to now, the effort made in this direction has been insufficient. The roles played by ionic liquids are not particularly clear, and catalytic applications are limited.…”

Section: Supported Ionic Liquid Phase (Silp) Catalystsmentioning

confidence: 99%

“…Therefore, one idea for the designing of advanced catalytic materials is to disperse ionic liquids on solid supports. [381][382][383] According to the catalyst composition and catalytic sites, these SILP catalysts can be classified into several categories.…”

Section: Supported Ionic Liquid Phase (Silp) Catalystsmentioning

confidence: 99%

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Preparation of Inorganic Materials Using Ionic Liquids

2009

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Conventional synthesis of inorganic materials relies heavily on water and organic solvents. Alternatively, the synthesis of inorganic materials using, or in the presence of, ionic liquids represents a burgeoning direction in materials chemistry. Use of ionic liquids in solvent extraction and organic catalysis has been extensively studied, but their use in inorganic synthesis has just begun. Ionic liquids are a family of non-conventional molten salts that can act as templates and precursors to inorganic materials, as well as solvents. They offer many advantages, such as negligible vapor pressures, wide liquidus ranges, good thermal stability, tunable solubility for both organic and inorganic molecules, and much synthetic flexibility. In this Review, the use of ionic liquids in the preparation of several categories of inorganic and hybrid materials (i.e., metal structures, non-metal elements, silicas, organosilicas, metal oxides, metal chalcogenides, metal salts, open-framework structures, ionic liquid-functionalized materials, and supported ionic liquids) is summarized. The status quo of the research field is assessed, and some future perspectives are furnished.

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Section: Supported Ionic Liquid Phase (Silp) Catalystsmentioning

confidence: 99%

Section: Supported Ionic Liquid Phase (Silp) Catalystsmentioning

confidence: 99%

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Preparation of Inorganic Materials Using Ionic Liquids

2009

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“…This new technology, known as Supported Ionic Liquid Phase (SILP) catalysis combines the advantages of ILs with those of heterogeneous supported materials, resulting in materials which are nontoxic, environmentally benign, and recyclable, and have potential uses in catalytic applications [8,14,15]. These materials are prepared through the covalent attachment of ILs to the support surface or by simply depositing the IL phases containing catalytically active species (e.g., transition metal complexes and metal NPs) on the surface of supports, which are usually silica-or polymeric-based materials [8,[14][15][16], or, more rarely, clay minerals [17]. Recently, Kim et al reported the modification of montmorillonite with pyridinium-and imidazolium-based ionic liquids.…”

Section: Introductionmentioning

confidence: 99%

Bioelectroanalytical Determination of Rutin Based on bi‐Enzymatic Sensor Containing Iridium Nanoparticles in Ionic Liquid Phase Supported in Clay

et al. 2010

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A matrix comprising iridium nanoparticles and 1-butyl-3-methylimidazolium tetrafluoroborate ionic liquid (Ir-BMI.BF 4 ) supported in montmorillonite (MMT) was obtained through an efficient incorporation process. This modified clay matrix (Ir-BMI.BF 4 -MMT) was used for the immobilization of the enzymes laccase (LAC) and polyphenol oxidase (PPO) and employed in the construction of a bi-enzymatic biosensor for determination of rutin by square-wave voltammetry. Under optimized conditions, the analytical curve showed a linear range for rutin concentrations from 9.17 10 À8 to 3.10 10 À6 mol L À1 with a detection limit of 3.09 10 À8 mol L À1. The method was successfully applied to the determination of rutin content in pharmaceutical samples.

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“…6 In recent years, we and other research groups have established the concept of SILP catalysis as an efficient tool for continuous gas-phase processing of immobilized transition metal catalysts. [7][8][9][10] In SILP systems, a thin film of ionic liquid containing the dissolved catalyst complex is dispersed over the large inner surface of a porous support. The ionic liquid can be fixed to the surface by either physisorption or chemisorption.…”

Section: Introductionmentioning

confidence: 99%

n‐butane carbonylation to n‐pentanal using a cascade reaction of dehydrogenation and SILP‐catalyzed hydroformylation

et al. 2014

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A novel gas-phase process has been developed that allows direct two-step conversion of butane into pentanals with high activity and selectivity. The process consists of alkane dehydrogenation over a heterogeneous Cr/Al 2 O 3 catalyst followed by direct gas-phase hydroformylation using advanced supported ionic liquid phase (SILP) catalysis. The latter step uses rhodium complexes modified with the diphosphite ligands biphephos (BP) and benzopinacol to convert the butane/butene mixture from the dehydrogenation step efficiently into aldehydes. The use of the BP ligand results in improved yields of linear pentanal because SILP systems with this ligand are active for both isomerization and hydroformylation. V C 2014 American Institute of Chemical Engineers AIChE J, 61: [893][894][895][896][897] 2015

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Catalytic SILP Materials

Cited by 70 publications

References 37 publications

Preparation of Inorganic Materials Using Ionic Liquids

Preparation of Inorganic Materials Using Ionic Liquids

Bioelectroanalytical Determination of Rutin Based on bi‐Enzymatic Sensor Containing Iridium Nanoparticles in Ionic Liquid Phase Supported in Clay

n‐butane carbonylation to n‐pentanal using a cascade reaction of dehydrogenation and SILP‐catalyzed hydroformylation

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