Synthesis and Characterization of Novel Ester Functionalized Chiral Ionic Liquids

2011 ◽  
Vol 197-198 ◽  
pp. 471-477
Author(s):  
Hong Li Wang ◽  
Xiao Ling Hu ◽  
Ping Guan ◽  
Jin Yang Yu ◽  
Yi Mei Tang
Keyword(s):  
Ionic Liquids ◽  
Quantum Chemical ◽  
Chemical Structure ◽  
Structure Optimization ◽  
Building Blocks ◽  
Optimization Method ◽  
Metathesis Reaction ◽  
Chiral Ionic Liquids ◽  
Methyl Imidazole

Three different chiral ionic liquids, chloride (R)-(+)-β-(1-methyl-imidazole)–propio-nate, (R)-(+)-β-(1-methyl-imidazole)-propionate terafluoroborate and hexafluorophosphate, weresuccessfully synthesized via the nucleophilic substitution reaction and the anion metathesis reaction, with (S)-(-)-2-chloro-propionic acid as the chiral source. Structures of the chiral io-nic liquids have been characterized by the infrared spectroscopy, nuclear magnetic resonancespectroscopy and quantum chemical structure optimization method. These new ionic materia-ls can be used as building blocks for the synthesis of ionic liquids.

Synthesis and Characterization of Supported on Silica Based Ionic Liquids

2015 ◽  
Vol 727-728 ◽  
pp. 34-37
Author(s):  
Li Ying Guo ◽  
Jun Shi ◽  
Jun Hai He ◽  
Ji Yue Huang ◽  
Peng Cheng Huang
Keyword(s):  
Crystal Structure ◽  
Ionic Liquid ◽  
Ionic Liquids ◽  
Chemical Structure ◽  
Sol Gel ◽  
Synthesis And Characterization ◽  
Imidazolium Ionic Liquid ◽  
Imidazolium Ionic Liquids ◽  
Methyl Imidazole

Three kinds of functionalized imidazolium ionic liquid, 1-chloride (2-hydroxyethyl) -3-methyl imidazole ionic liquid [HeMIM]Cl, 1-bromide ethylamine-3-methyl imidazolium ionic liquid [AeMIM]Br and chlorinated 1-carboxyethyl-3-methyl imidazolium ionic liquid [CeMIM]Cl, were synthesized firstly. Subsequently, three kinds of supported silicon imidazolium ionic liquids were prepared from above ionic liquids with tetraethoxysilane by sol-gel method. The Chemical structure and crystal structure of the supported on silica based ionic liquids were analyzed by FTIR and XRD.

Synthesis and Characterization of Alkeyl Imidazolium Ionic Liquids

2014 ◽  
Vol 1048 ◽  
pp. 452-455
Author(s):  
Qiang Wang ◽  
Shi Dong Wang ◽  
Ming Chen Qi ◽  
Shu Liang Zang
Keyword(s):  
Ionic Liquids ◽  
Chemical Structure ◽  
Direct Synthesis ◽  
Synthesis Method ◽  
Structure And Properties ◽  
Spectra Analysis ◽  
Infrared Spectrometer ◽  
Liquid Salts ◽  
Structure Of Matter

Two new imidazole ionic liquid salts, 1-allyl-3-methylimidazolium chloride ([AMIM]Cl) and 1-allyl-3-methy-imidazolium hydrogen sulfate ([EMIM]HSO4), were synthesized with direct synthesis and two-step synthesis method, using a viscosity meter, PH meter, conductivity meter, densitometer, infrared spectrometer determined its chemical structure and properties. The results show that two ionic liquids in the range is slightly different, the trend is roughly same. As the temperature increases, the viscosity decreases, PH gradually increased, the density decreases slightly, can be regarded as constant, the conductivity gradually increased. Ionic liquids of the two IR spectra analysis show its structure and synthetic route consistent with the structure of matter.

scholarly journals Synthesis and characterization of chiral ionic liquids based on quinine, l-proline and l-valine for enantiomeric recognition

2019 ◽  
Vol 283 ◽  
pp. 410-416 ◽  
Author(s):  
Tânia E. Sintra ◽  
Mikhail G. Gantman ◽  
Sónia P.M. Ventura ◽  
João A.P. Coutinho ◽  
Peter Wasserscheid ◽  
...  
Keyword(s):  
Ionic Liquids ◽  
Synthesis And Characterization ◽  
Chiral Ionic Liquids ◽  
Enantiomeric Recognition

Synthesis and Characterization of Super-Molecular Ionic Liquids

2011 ◽  
Vol 197-198 ◽  
pp. 906-910
Author(s):  
Hui Ru Liu ◽  
Li Qiang Lv ◽  
Xing Chen Zhang
Keyword(s):  
Ionic Liquid ◽  
Ionic Liquids ◽  
Melting Point ◽  
Quantum Chemical ◽  
Organic Molecules ◽  
Raw Materials ◽  
Ammonium Thiocyanate ◽  
Molar Ratio ◽  
Molecular Ion

This study concerned a novel super-molecular ionic liquid synthesized by ammonium thiocyanate and caprolactam. The physical characters such as melting point and electric conductivity were investigated. Results showed that the melting point is -12.2°C at the molar ratio of 3:1 (caprolactam/ammonium thiocyanate), which is much lower than raw materials. The electric conductivities of synthesized ionic liquids were close to that of imidazole ILs. The structure of ionic liquid was characterized by IR,1HNMR and quantum chemical calculations. It was shown that the NH4+cation connected with caprolactam organic molecules by hydrogen bonds, leading to the forming of a super-molecular ion. The electrostatic attraction of super-molecular ion with anion was decreased because of the larger volume of super-molecular ion than original cation, thus the melting point decreased. The key properties that distinguish super-molecular ionic liquid from other ILs were the presence of supermolecular ion, which can be used to build up a hydrogen-bonded network. This type ion liquid was named as super-molecular ion liquid.

scholarly journals Halogen-free synthesis of symmetrical 1,3-dialkylimidazolium ionic liquids using non-enolisable starting materials

RSC Advances ◽  
2016 ◽  
Vol 6 (11) ◽  
pp. 8848-8859 ◽  
Author(s):  
Daphne Depuydt ◽  
Arne Van den Bossche ◽  
Wim Dehaen ◽  
Koen Binnemans
Keyword(s):  
Ionic Liquids ◽  
Building Blocks ◽  
Metathesis Reaction ◽  
Halogen Free

Halogen-free-synthesis of symmetrical 1,3-dialkylimidazolium ionic liquids starting from their building blocks followed by metathesis reaction towards desired anions.

Synthesis and characterization of β,β’-dimethylated dithieno[3,2-b:2’,3’-d]pyrroles and their corresponding regioregular conducting electropolymers

2021 ◽  
Author(s):  
Peter Baeuerle ◽  
Sebastian Foertsch ◽  
Elena Mena-Osteritz
Keyword(s):  
Conducting Polymers ◽  
Quantum Chemical Calculations ◽  
Quantum Chemical ◽  
Building Blocks ◽  
Synthesis And Characterization ◽  
Organic Electronic ◽  
Functional Dyes

β,β’-Dimethyl-substituted dithieno[3,2-b:2’,3’-d]pyrroles (Me-DTP) 2-7 represent novel electron-rich building blocks, which were converted to corresponding conducting polymers p(Me-DTP) and to functional dyes for organic electronic applications. Supported by quantum chemical calculations,...

Terpenes to Ionic Liquids: Synthesis and Characterization of Citronellal-Based Chiral Ionic Liquids

2009 ◽  
Vol 39 (18) ◽  
pp. 3357-3368 ◽  
Author(s):  
D. Nageshwar ◽  
D. Muralimohan Rao ◽  
Palle V. R. Acharyulu
Keyword(s):  
Ionic Liquids ◽  
Synthesis And Characterization ◽  
Chiral Ionic Liquids
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