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Applied Sciences
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Ionic Liquids in Green Chemistry
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Ionic Liquids in Green Chemistry

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemical and Molecular Sciences".

Deadline for manuscript submissions: closed (30 December 2019) | Viewed by 6656

Special Issue Editor

Prof. Dr. Sandrine Bouquillon

E-Mail Website
Guest Editor
Institute of Molecular Chemistry of Reims, UMR CNRS 7312, Université Reims Champagne, Ardenne, 51687 Reims, France
Interests: green chemistry; sugar-based and acid-based surfactants; glyco-and glycerodendrimers; bio-based ionic liquids; synthesis; catalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are organizing a Special Issue on “Ionic Liquids (ILs) in Green Chemistry”. The purpose of this Special Issue is to describe the use of classical or innovative ionic liquids in various chemical reactions or processes. This may involve organic and organometallic reactions in combination with ILs, as well as biocatalyzed processes. Contributions regarding biodegradable ILs will be also appreciated. Other important areas we wish to present are the extraction of natural products which could also be bioactive, and biomass dissolution or defragmentation. Any accounts of the (eco)toxicity and biodegradability of ILs in green processes will also be greatly appreciated.

Considering your recognized expertise in this field, it will be an honor to receive your contribution to this Special Issue.

Prof. Sandrine Bouquillon
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • catalysis
  • biocatalysis
  • microwaves
  • biodegradability
  • ecotoxicology
  • extraction
  • biopolymer transfromation
  • organic reactions

Published Papers (2 papers)

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Research

16 pages, 1504 KiB  
Article
Predicting Melting Points of Biofriendly Choline-Based Ionic Liquids with Molecular Dynamics
by Karl Karu, Fred Elhi, Kaija Põhako-Esko and Vladislav Ivaništšev
Appl. Sci. 2019, 9(24), 5367; https://doi.org/10.3390/app9245367 - 09 Dec 2019
Cited by 6 | Viewed by 3735
Abstract
In this work, we introduce a simulation-based method for predicting the melting point of ionic liquids without prior knowledge of their crystal structure. We run molecular dynamics simulations of biofriendly, choline cation-based ionic liquids and apply the method to predict their melting point. [...] Read more.
In this work, we introduce a simulation-based method for predicting the melting point of ionic liquids without prior knowledge of their crystal structure. We run molecular dynamics simulations of biofriendly, choline cation-based ionic liquids and apply the method to predict their melting point. The root-mean-square error of the predicted values is below 24 K. We advocate that such precision is sufficient for designing ionic liquids with relatively low melting points. The workflow for simulations is available for everyone and can be adopted for any species from the wide chemical space of ionic liquids. Full article
(This article belongs to the Special Issue Ionic Liquids in Green Chemistry)
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14 pages, 1902 KiB  
Article
Novel Aryl-Imidazolium Ionic Liquids with Dual Brønsted/Lewis Acidity as Both Solvents and Catalysts for Friedel–Crafts Alkylation
by Che-Hsuan Yang, Jui-Cheng Chang, Tzi-Yi Wu, I-Wen Sun, Jun-Hao Wu and Wen-Yueh Ho
Appl. Sci. 2019, 9(22), 4743; https://doi.org/10.3390/app9224743 - 07 Nov 2019
Cited by 6 | Viewed by 2594
Abstract
Unique tunable aryl-imidazolium magnetic ionic liquids with dual functions as a solvent–catalyst and dual Brønsted–Lewis acidity (B-L MILs) are applied for Friedel–Crafts alkylation without additional solvents. The catalytic properties of these B-L MILs in the Friedel–Crafts alkylation of p-xylene with benzyl chloride are [...] Read more.
Unique tunable aryl-imidazolium magnetic ionic liquids with dual functions as a solvent–catalyst and dual Brønsted–Lewis acidity (B-L MILs) are applied for Friedel–Crafts alkylation without additional solvents. The catalytic properties of these B-L MILs in the Friedel–Crafts alkylation of p-xylene with benzyl chloride are investigated. The various reaction parameters, including the catalyst dosage, reaction time, reaction temperature, molar ratio of reactants, and reusability, are discussed. The results show that the B-L MIL 5c has more excellent product selectivity (>99%) and reactant conversion (>99%) under the following optimum conditions (reaction temperature = 80 °C, reaction time = 0.5 h, molar ratio of p-xylene to benzyl chloride = 6:1, and catalyst 5c dosage = 1.0 mole %) than traditional catalysts reported in the previous literature. Specifically, due to the mesomeric effect between the FeCl4 anion and hydrogen atom at cationic moiety, the catalyst B-L MILs with the molar fraction of FeCl3 equal to 0.5 can be easily recovered and provide satisfactory catalytic activity after being re-used six times. Full article
(This article belongs to the Special Issue Ionic Liquids in Green Chemistry)
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