Synthesis of new fluorinated imidazolium ionic liquids and their prospective function as the electrolytes for lithium-ion batteries

Tran, Anh Tu; Thanh, Nhan Do Van; Le, Loan-Phung My; Lê, Thạch Ngọc

doi:10.1016/j.jfluchem.2014.05.005

Cited by 15 publications

(11 citation statements)

References 26 publications

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“…Thus, developing new catalysts for the synthesis of 3acylindoles with excellent yields and high selectivity under mild and environmentally friendly conditions is highly desirable. 18 Ionic liquids have received much attention in many elds including catalysis, [19][20][21][22][23][24][25] electrolytes, [26][27][28][29] extraction desulfurization, [30][31][32] biomass processing, [33][34][35] and biodiesel. [36][37][38][39] Friedel-Cras C3-acylation of indoles using ionic liquids has been reported in previous literature.…”

Section: Introductionmentioning

confidence: 99%

Brønsted acidic ionic liquid-promoted direct C3-acylation of N-unsubstituted indoles with acid anhydrides under microwave irradiation

Tran

Nguyen

et al. 2017

RSC Adv.

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Section: Introductionmentioning

confidence: 99%

Brønsted acidic ionic liquid-promoted direct C3-acylation of N-unsubstituted indoles with acid anhydrides under microwave irradiation

Tran

Nguyen

et al. 2017

RSC Adv.

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“…The synthesis of ionic liquids usually requires two steps involving a quaternization reaction followed by metathesis anion exchange reaction (Clare et al 2010). Other methods require enhancements using a microwave or ultrasonic irradiation (Cravotto et al 2008;Aupoix et al 2010;Tran et al 2014). This work presents a one-pot synthesis where 1-methylimidazole was simply added to the stearic acid solution in ethyl acetate.…”

Section: Resultsmentioning

confidence: 99%

Lipophilic halogen-free ionic liquid with antibacterial and anti-biofilm activities against Pseudomonas aeruginosa

Laserna

Deguit

Ong

et al. 2018

KIMIKA

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A halogen-free ionic liquid (IL) designed with long alkyl chain anion is reported. 1-methylimidazolium stearate (MIM stearate) synthesized through Bronsted acid-base reaction has shown improved lipophilic character and is able to penetrate bacterial cell walls. Antimicrobial activities against Gram-negative bacteria, Escherichia coli, and Pseudomonas aeruginosa were observed. Anti-biofilm assays showed effectivity against the biofilm of Pseudomonas aeruginosa. At 50 µg/mL the %biofilm inhibition of MIM stearate towards P. aeruginosa biofilm formation is comparable to the Bromofuran positive control. Brine shrimp lethality assay showed weak toxicity indicating the IL to be safe and benign. The synthesized MIM stearate showed good promise as an antimicrobial and anti-biofilm agent.

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“…[45] A similar trend was reported for fluorinated versus non-fluorinated imidazolium ILs. [12,19,50] In terms of anion effects, the ability to hydrogen bond and a small size appear to be key factors, with Cl À @ OTf À > DCA @ NTf 2 À . [b] [a] Calculated density; [b] Estimated using the calculated density at 20 °C.…”

Section: Viscositymentioning

confidence: 99%

Highly‐fluorinated Triaminocyclopropenium Ionic Liquids

Curnow

Senthooran

2022

Chemistry An Asian Journal

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A series of highly‐fluorinated triaminocyclopropenium salts, with up to six fluorous groups, were prepared and their properties as ionic liquids investigated. Reaction of pentachlorocyclopropane or tetrachlorocyclopropene with bis(2,2,2‐trifluoroethyl)amine, HN(CH2CF3)2, occurs in the presence of a trialkylamine, NR3, to give cations with two fluorinated amino groups, [C3(N(CH2CF3)2)2(NR2)]+ (R=Et, Pr, Bu, Hex), with traces of [C3(N(CH2CF3)2)3]+. Use of appropriate reagent ratios and reaction times and subsequent addition of a dialkylamine, HNR'R”, gives cations with one fluorinated amino group, [C3(N(CH2CF3)2)(NR2)(NR'R”)]+ ((NR2)(NR'R”)=(NBu2)2, (NEt2)(NPr2), (NBu2)(NBuMe)). These cations were isolated as chloride salts and some of these were converted to bistriflamide, dicyanamide and triflate salts to provide ionic liquids. These salts were characterised by thermal (DSC and TGA) measurements and miscibility/solubility properties (determined in a range of solvents). Ionic liquids (ILs) were also characterised by density, viscosity and conductivity measurements where possible. X‐ray diffraction studies of chloride salts showed the formation of fluorous regions and more hydrophilic ionic regions in the solid state.

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Synthesis of new fluorinated imidazolium ionic liquids and their prospective function as the electrolytes for lithium-ion batteries

Cited by 15 publications

References 26 publications

Brønsted acidic ionic liquid-promoted direct C3-acylation of N-unsubstituted indoles with acid anhydrides under microwave irradiation

Brønsted acidic ionic liquid-promoted direct C3-acylation of N-unsubstituted indoles with acid anhydrides under microwave irradiation

Lipophilic halogen-free ionic liquid with antibacterial and anti-biofilm activities against Pseudomonas aeruginosa

Highly‐fluorinated Triaminocyclopropenium Ionic Liquids

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