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Insights on recyclable catalytic system composed of task-specific ionic liquids for the chemical fixation of carbon dioxide
A series of imidazolium-based ionic liquids (ILs) were synthesised and used as single component and metal-free homogeneous catalysts to convert a renewable, inexpensive and non-toxic CO2 feedstockExpand
The formation of imidazolium salt intimate (contact) ion pairs in solution.
1-n-Butyl-2,3-dimethylimidazolium (BMMI) ionic liquids (ILs) associated with different anions undergo H/D exchange preferentially at 2-Me group of the imidazolium in deuterated solvents. This processExpand
Confined water in imidazolium based ionic liquids: a supramolecular guest@host complex case.
The structure and function of water have been determined in condensed, solution and gas phases by X-ray diffraction studies, NMR, molecular dynamics simulations (MDS) and DFT calculations. Expand
Carbon Dioxide Capture by Aqueous Ionic Liquid Solutions.
Three types of CO2 sorption in aqueous solutions of imidazolium-based ionic liquids associated with acetate andImidazolate anions react reversibly with CO2 to yield bicarbonate, with sorption values higher than the classical alkanol amines or even alkaline aqueously solutions under similar experimental conditions. Expand
Organocatalytic Imidazolium Ionic Liquids H/D Exchange Catalysts.
Detailed kinetic experiments demonstrate that the reaction is first order on the substrate and pseudozero order relative to the ionic liquid, due to the fast reversible reaction involving the deuteration of the ionsic liquid by the solvent. Expand
Dealing with supramolecular structure for ionic liquids: a DOSY NMR approach.
In the particular case of 1,2,3-trimethylimidazolium imidazolate containing confined water in DMSO the maintenance of the contact ion pairs depends on the water content which may even disrupt the IL supramolecular structure. Expand
Cation-Anion-CO2 Interactions in Imidazolium-Based Ionic Liquid Sorbents.
A series of functionalized N-alkylimidazolium based ionic liquids were designed, through anion and cation structural modifications, and studied as potential sorbents for CO2 to provide helpful clues for better understanding the structure-activity relationship of this class of materials and the ion pair influence on CO2 capture. Expand
Comparative Study of the Regioselectivity and Reaction Media for the Synthesis of 1‐tert‐Butyl‐3(5)‐trifluoromethyl‐1H‐pyrazoles
A study is presented for the synthesis of a series of 1-tert-butyl-3(5)-(trifluoromethyl)-1H-pyrazoles from the reaction of 4-alkoxy-1,1,1-trifluoro-3-alken-2-ones [CF3C(O)CH=C(R1)(OR), where R = EtExpand
Intermolecular hydrogen bonds in water@IL supramolecular complexes.
The nuclear Overhauser effect (NOE) indicates that a water molecule is trapped inside the ionic network, keeping the ion pair in contact through strong H-bonds involving the hydrogen atoms of water and the nitrogen atoms of the IL anions to give a guest@host supramolecular structure. Expand
Photocatalytic Reverse Semi-Combustion Driven by Ionic Liquids.
The organophotocatalytic principles of the system may help to develop more simple and efficient organic materials for the production of solar fuels from CO2 under mild conditions, which represents a real alternative to those based on semiconductors and homogeneous metal-based catalysts. Expand