New natural deep eutectic solvents based on aromatic organic acids

Natural Deep Eutectic Solvents (NADES): Manufacture, Characteristics, and Their Significance as Designer Solvents

“…Additionally, NADESs exhibit promise in electrochemical applications, such as energy storage devices and electrodeposition processes, owing to their ionic conductivity and electrochemical stability. The green and sustainable nature of DESs further positions them as attractive alternatives in diverse fields, including materials synthesis, separation science, and analytical chemistry [5][6][7][8][9][10][11] (Figure 4).…”

“…[6] When compared to ionic liquids (ILs) (Table 1), NADESs are easily accessible, non-toxic, biocompatible, and long-lasting, while the low vapour pressure of NADESs is advantageous to both the environment and human health. [7,8] The components combine during the crystallization phase, leading to the component acting as a single entity. The component ratio and temperature are two crucial variables in a bipartite eutectic system.…”

Bioethanol production from coconut husk using DES-NADES pretreatment and enzymatic hydrolysis method

“…However, when the component that constitutes a DES is a natural metabolite, DES is called a NADES [23]. DES and NADES solvents are produced by reacting a mixture of substances formed due to the bonding of Hydrogen Bonding Donors (HBD) and Hydrogen Bonding Acceptors (HBA) at a certain molar ratio [24].…”

Essential Oils and Eutectic Solvents in the Povarov Reaction for the Synthesis of Tetrahydroquinolines: A Lesson of Cycloadditions, Stereochemistry, and Green Chemistry

“…Examples of these eutectic systems are currently used to explain binary phase diagrams for undergraduate students and can be studied by differential scanning calorimetry (DSC) . To date, five classes of DES have been described in literature considering its components: type I are formed from metal chlorides (MCl x ) and quaternary ammonium salts; type II are based on metal chloride hydrates and quaternary ammonium salts; hydrogen bond donors (HBD) and quaternary ammonium salts form the type III; HBD and metal chloride hydrates are the type IV; and finally, mixtures of nonionic compounds such as terpenes or terpenoids constitute the type V. , These solvents are considered as green alternatives to substitute petroleum-derived solvents because most of them meet some criteria such as biodegradability, recyclability, low vapor pressure, toxicity, price, and flammability, among others. Different applications in organic synthesis have been reported in literature where DES are used as solvents, reagents, and catalyst, and their recyclability and reusability have been demonstrated. − …”