Effects of several ionic liquids on the structures and catalytic properties of double metal cyanides

Novel tetracarboxyl-functionalized 2,2′-biimidazolium-based ionic liquids (ILs) with different anions were synthesized in two steps from readily available and sustainable starting materials including ammonium acetate, glyoxal, and halogenated propionic acid. The functionalized IL exhibited higher catalytic activity towards the cycloaddition of CO2 to terminal epoxides. With propylene oxide as a substrate, the optimum yield of propylene carbonate reached 82.7 % at an initial CO2 pressure of 2.0 MPa for 4 h at 140°C. Moreover, the functionalized IL catalyst displayed a high stability and can be reused for at least five cycles without obvious loss of catalytic activity. The results provide a simple and economical way to synthesize multi-functionalized imidazolium-based ILs with versatile potential applications.

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Effect of Glycosylation of β-Glucuronidase on its Catalytic Properties in Ionic Liquids

Chemical and Biochemical Engineering Quarterly ◽

10.15255/cabeq.2014.2097 ◽

2016 ◽

Vol 29 (4) ◽

pp. 559-566 ◽

Cited By ~ 1

Author(s):

H. Tang

Keyword(s):

Ionic Liquids ◽

Catalytic Properties

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Nanoscale Pt(0) Particles Prepared in Imidazolium Room Temperature Ionic Liquids: Synthesis from an Organometallic Precursor, Characterization, and Catalytic Properties in Hydrogenation Reactions

Inorganic Chemistry ◽

10.1021/ic034453r ◽

2003 ◽

Vol 42 (15) ◽

pp. 4738-4742 ◽

Cited By ~ 253

Author(s):

Carla W. Scheeren ◽

Giovanna Machado ◽

Jairton Dupont ◽

Paulo F. P. Fichtner ◽

Sérgio Ribeiro Texeira

Keyword(s):

Ionic Liquids ◽

Room Temperature ◽

Catalytic Properties ◽

Room Temperature Ionic Liquids ◽

Organometallic Precursor ◽

Hydrogenation Reactions

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Nanostructures in ionic liquids: correlation of iridium nanoparticles’ size and shape with imidazolium salts’ structural organization and catalytic properties

Physical Chemistry Chemical Physics ◽

10.1039/b925834e ◽

2010 ◽

Vol 12 (25) ◽

pp. 6826 ◽

Cited By ~ 69

Author(s):

Pedro Migowski ◽

Daniela Zanchet ◽

Giovanna Machado ◽

Marcos A. Gelesky ◽

Sérgio R. Teixeira ◽

...

Keyword(s):

Ionic Liquids ◽

Structural Organization ◽

Catalytic Properties ◽

Imidazolium Salts ◽

Size And Shape ◽

Iridium Nanoparticles

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The versatility of DABCO: synthetic applications of its basic, nucleophilic, and catalytic properties Part 4*. Ionic liquids and reagents (Selectfluor, DABSO) derived from DABCO, DABCO as piperazine source

Chemistry of Heterocyclic Compounds ◽

10.1007/s10593-020-02656-x ◽

2020 ◽

Vol 56 (3) ◽

pp. 279-298

Author(s):

Dmitry I. Bugaenko ◽

Alexander V. Karchava ◽

Marina A. Yurovskaya

Keyword(s):

Ionic Liquids ◽

Catalytic Properties

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An Efficient Synthesis of Pyrrolidinone Derivatives in the Presence of 1,1′-Butylenebis(3-sulfo-3H-imidazol-1-ium) Chloride

Australian Journal of Chemistry ◽

10.1071/ch18246 ◽

2018 ◽

Vol 71 (8) ◽

pp. 566 ◽

Cited By ~ 5

Author(s):

Nader Ghaffari Khaligh ◽

Kim Foong Chong ◽

Taraneh Mihankhah ◽

Salam Titinchi ◽

Mohd Rafie Johan ◽

...

Keyword(s):

Ionic Liquids ◽

Sulfonic Acid ◽

Electronic Effect ◽

Catalytic Properties ◽

Catalytic Efficiency ◽

Optimal Conditions ◽

Efficient Synthesis ◽

Mild Conditions ◽

Structure Activity ◽

Relationship Of

The catalytic efficiency of 1,1′-butylenebis(3-sulfo-3H-imidazol-1-ium) chloride as a sulfonic acid-functionalized ionic liquid was demonstrated for the synthesis of pyrrolidinone derivatives under mild conditions. The electronic effect of substituents on aniline derivatives was investigated. Further, a study on the structure–activity relationship of ionic liquids containing sulfonic groups for the synthesis of ethyl-2-(4-chlorophenyl)-4-hydroxy-5-oxo-1-(p-tolyl)-2,5-dihydro-1H-pyrrole-3-carboxylate was performed under optimal conditions. The results showed that the catalytic properties of ionic liquids containing two sulfonic or imidazole moieties with carbon spacers was superior to ionic liquids having one sulfonic or imidazole moiety with no carbon spacer.

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