“Inverted” Deep Eutectic Solvents Based on Host‐Guest Interactions

Yu, Dongkun; Mou, Hongyu; Fu, Hui; Xue, Lan; Wang, Yingxiong; Mu, Tiancheng

doi:10.1002/asia.201901365

Cited by 24 publications

(7 citation statements)

References 34 publications

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“…Depending on the character of the hydrogen bond acceptor (HBA) and the hydrogen bond donor (HBD), interactions such as hydrogen bonding, van der Waals interactions, or π–π stacking occur. Recently, novel eutectic systems, namely, eutectic molecular liquids (EMLs), were defined, and several other noncovalent interactions were identified, including not only hydrogen bonding and π–π stacking but also σ-hole (halogen, pnicogen, and tetrel bonds), π-hole, κ-hole, and μ-hole bonding interactions. , There is a huge interest in composing DESs with new and interesting properties as well as in explaining the structure–activity relationship and the interactions occurring between different HBAs and HBDs. − The most valuable feature of DESs seems to be the possibility of obtaining almost unlimited numbers of tailor-made solvents by selecting appropriate HBDs and HBAs. Additionally, many DESs (also named natural deep eutectic solvents, NADESs) are bioderived, green, biocompatible, biodegradable, and nontoxic chemicals, unlike classic solvents (including solvents belonging to volatile organic compounds, VOCs) or some ILs.…”

Section: Introductionmentioning

confidence: 99%

The Most Potent Natural Pharmaceuticals, Cosmetics, and Food Ingredients Isolated from Plants with Deep Eutectic Solvents

Wawoczny

Gillner

2023

J. Agric. Food Chem.

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There is growing interest in reducing the number of synthetic products or additives and replacing them with natural ones. The pharmaceutical, cosmetic, and food industries are especially focused on natural and bioactive chemicals isolated from plants or microorganisms. The main challenge here is to develop efficient and ecological methods for their isolation. According to the strategies and rules of sustainable development and green chemistry, green solvents and environmentally friendly technologies must be used. The application of deep eutectic solvents as efficient and biodegradable solvents seems to be a promising alternative to traditional methods. They are classified as being green and ecological but, most importantly, very efficient extraction media compared to organic solvents. The aim of this review is to present the recent findings on green extraction, as well as the biological activities and the possible applications of natural plant ingredients, namely, phenolics, flavonoids, terpenes, saponins, and some others. This paper thoroughly reviews modern, ecological, and efficient extraction methods with the use of deep eutectic solvents (DESs). The newest findings, as well as the factors influencing the efficiency of extraction, such as water content, and hydrogen bond donor and acceptor types, as well as the extraction systems, are also discussed. New solutions to the major problem of separating DESs from the extract and for solvent recycling are also presented.

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Section: Introductionmentioning

confidence: 99%

The Most Potent Natural Pharmaceuticals, Cosmetics, and Food Ingredients Isolated from Plants with Deep Eutectic Solvents

Wawoczny

Gillner

2023

J. Agric. Food Chem.

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“…Deep eutectic solvents (DESs) are promising absorbents for toxic gases capture . Two or more constituents exist in DESs via hydrogen bonds between hydrogen-bonding acceptor (HBA) and hydrogen-bonding donor (HBD), halogen bonds, or pi–pi interaction, − making the melting points of DESs lower than those of individuals. Components of DESs are colorful, which could be cheap and biodegradable; therefore, DESs also possess these favorable merits.…”

Section: Introductionmentioning

confidence: 99%

Capture of Toxic Gases by Deep Eutectic Solvents

Chen

Han

Liu

et al. 2020

ACS Sustainable Chem. Eng.

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147

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Sulfur dioxide (SO 2 ), ammonia (NH 3 ), hydrogen sulfide (H 2 S), nitrogen dioxide (NO 2 ), and nitric oxide (NO) are toxic gases from industrial exhaust, which could lead to acid rain, air pollution, health hazards, or corrosion of buildings. Removal of toxic gas is necessary for mitigating damage on human health, improving air quality, conforming to government regulations, and reusing in industry. However, capture of toxic gases with high efficiency, high selectivity, high sustainability, and low cost is still very challenging. Deep eutectic solvents (DESs) are novel green and designable solvents with high biocompatibility, high degradability, and low cost. Capturing toxic gases (e.g., SO 2 , NH 3 , H 2 S, NO 2 , and NO) by DESs is promising and environmentally friendly, which has attracted much attention. Here, we review the capture of SO 2 , NH 3 , H 2 S, NO 2 , and NO by DESs. CO 2 capture by DESs is not included because several reviews on that topic have been published.

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“…DESs with high purity can be easily prepared by mixing hydrogen bond donors (HBDs) and hydrogen bond acceptors (HBAs), which may contain two or more constituents, and does not require further purification, therefore simplifying the processes. The interactions between the constituents can be hydrogen bonds, halogen bonds, or Pi-Pi interactions that cause the melting point of synthesized DES to be significantly reduced and lower than any of the individual component [20][21][22]. Abbott et al [23] reported the first example of DES through mixing choline chloride (ChCl) with urea (UE), and then Zhu et al [24] reported that ChCl:UE DES can effectively catalyze the reactions of CO 2 and epoxides.…”

Section: Introductionmentioning

confidence: 99%

Capture of Acidic Gases from Flue Gas by Deep Eutectic Solvents

et al. 2021

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Up to now, many kinds of deep eutectic solvents (DESs) were investigated for the capture of acidic gases from flue gases. In this review, non-functionalized and functionalized DESs, including binary and ternary DESs, for SO2, CO2 and NO capture, are summarized based on the mechanism of absorption, physical interaction or chemical reaction. New strategies for improving the absorption capacity are introduced in this review. For example, a third component can be introduced to form a ternary DES to suppress the increase in viscosity and improve the CO2 absorption capacity. DESs, synthesized with halogen salt hydrogen bond acceptors (HBAs) and functionalized hydrogen bond donors (HBDs), can be used for the absorption of SO2 and NO with high absorption capacities and low viscosities after absorption, due to physicochemical interaction between gases and DESs. Emphasis is given to introducing the absorption capacities of acidic gases in these DESs, the mechanism of the absorption, and the ways to enhance the absorption capacity.

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“Inverted” Deep Eutectic Solvents Based on Host‐Guest Interactions

Cited by 24 publications

References 34 publications

The Most Potent Natural Pharmaceuticals, Cosmetics, and Food Ingredients Isolated from Plants with Deep Eutectic Solvents

The Most Potent Natural Pharmaceuticals, Cosmetics, and Food Ingredients Isolated from Plants with Deep Eutectic Solvents

Capture of Toxic Gases by Deep Eutectic Solvents

Capture of Acidic Gases from Flue Gas by Deep Eutectic Solvents

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