Sustainable solvents in chemical synthesis: a review

Wagare, Devendra S.; Shirsath, Sagar E.; Shaikh, Melad; Netankar, Prashant D.

doi:10.1007/s10311-020-01176-6

Cited by 30 publications

(10 citation statements)

References 114 publications

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“…Driven by the green chemistry principles [8], the demand for sustainable and safe chemical processes over the last two decades has promoted the replacement of volatile organic compounds (VOCs) traditionally used as solvent media in synthetic chemistry with alternative green solvents [9][10][11][12][13][14] or even solvent-free conditions [15]. This endeavor gave rise to the introduction of new solvent media for chemical transformations featuring reduced environmental risk, reduced toxicity, reduced flammability, cost-effectiveness and reusability properties as the major advantages.…”

Section: Introductionmentioning

confidence: 99%

Diels–Alder Cycloaddition Reactions in Sustainable Media

2022

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Diels–Alder cycloaddition reaction is one of the most powerful strategies for the construction of six-membered carbocyclic and heterocyclic systems, in most cases with high regio- and stereoselectivity. In this review, an insight into the most relevant advances on sustainable Diels–Alder reactions since 2010 is provided. Various environmentally benign solvent systems are discussed, namely bio-based derived solvents (such as glycerol and gluconic acid), polyethylene glycol, deep eutectic solvents, supercritical carbon dioxide, water and water-based aqueous systems. Issues such as method’s scope, efficiency, selectivity and reaction mechanism, as well as sustainability, advantages and limitations of these reaction media, are addressed.

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Section: Introductionmentioning

confidence: 99%

Diels–Alder Cycloaddition Reactions in Sustainable Media

2022

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“…When cellulose was used as the substrate, the yield was only 8.7% (Entry 30, Table S1). However, the synthesis cost of heteropoly acid catalysts is high, the reaction time in the catalytic process is generally long, and a large amount of alcohol solvents is required to reduce the side reaction. ,, …”

Section: Catalystsmentioning

confidence: 99%

“…It can be produced from both C5 carbohydrates and C6 carbohydrates. − The acid-catalyzed system conversion of raw biomass such as oil palm fronds, , wheat straw, , bamboo, , paper pulp, , wood chips, , and switchgrass , to LEs was also developed. LEs can be prepared through effective hydrolysis of lignocellulosic biomass into C5/C6 carbohydrates and then undergo catalytic dehydration into LA with furan-derived compounds (furfuryl alcohol (FFA) and 5-HMF) as intermediates and then LA alcoholysis into LE products over the acid catalyst (Figure ).…”

Section: Introductionmentioning

confidence: 99%

Critical Review on the Synthesis of Levulinate Esters from Biomass-Based Feedstocks and Their Application

Shan

Wang

Hao

et al. 2023

Ind. Eng. Chem. Res.

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As one of the substitutes for traditional fossil energy, the biomass resource has attracted extensive attention. Levulinate esters (LEs) are important green and high value-added chemical molecules. Catalytic routes based on acid catalysts are developed for the production of levulinate esters from various biomass-derived materials. In this review, the catalytic route for preparation of levulinate esters from C5/C6 carbohydrates is summarized. The effects of homogeneous and heterogeneous acid systems on the levulinate ester yields and the catalyst recyclability were expounded. The effect of reaction solvents and heating methods on LE selectivity was presented. Given the apparent differences in the synthesis of LEs with different heating methods in current publications, current challenges and prospects for the synthesis of LEs from biomass-derived compounds are provided. The lab-scale catalytic synthesis of levulinate esters from a biomass process has been developed. This review will facilitate and inspire future research on LE synthesis from biomass.

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“…[ 174 ] The above substitutions should ensure harmless behavior and improve the conditions for the reaction. [ 175 ] A list of green solvents suitable for chemical synthesis has been recently reviewed and described by Wagare et al [ 176 ] The current use of compounds, like supercritical liquids (i.e., liquid CO 2 ), [ 177 ] PEG, [ 178 ] glycerol, [ 179 ] ILs, [ 180 ] and DES, [ 181 ] in the production of components for batteries will contribute to reaching the objectives of green and sustainable chemical synthesis in LIBs technologies. Next, some successful cases of green synthesis are described for each of the components of a LIB.…”

Section: Novel Green Synthesis Processesmentioning

confidence: 99%

The Role of Critical Raw Materials for Novel Strategies in Sustainable Secondary Batteries

Salado

Lizundia

Oyarzabal

et al. 2022

Physica Status Solidi (a)

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Energy storage technology is destined to play a central role to pave the way for a sustainable society. Although lithium‐based technology has covered the majority of energy storage necessities until now, the development of safe, clean, and recyclable technology to future transport sector, breakthroughs in materials and methods involving sustainable resources are crucial. In addition, materials, synthetic processes and final devices should be properly selected to contribute to the development of a sustainable ecosystem as well as fulfill the demands of high energy density batteries. Currently, tremendous research efforts are focused on new battery chemistries based on postlithium technology, as solid‐state, metal–sulfur, and metal–air batteries, which present many advantages as well as challenges. Therefore, new strategies to reduce the impact of critical raw materials used in lithium technology together with novel methods to recuperate need to be developed to obtain full sustainability. In this context, the present review discusses the current electrochemical energy storage, as well as raw materials, and the technical challenges involved. In addition, it provides a perspective on strategies and opportunities and the most important difficulties to overcome for a sustainable electrochemical energy storage.

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Sustainable solvents in chemical synthesis: a review

Cited by 30 publications

References 114 publications

Diels–Alder Cycloaddition Reactions in Sustainable Media

Diels–Alder Cycloaddition Reactions in Sustainable Media

Critical Review on the Synthesis of Levulinate Esters from Biomass-Based Feedstocks and Their Application

The Role of Critical Raw Materials for Novel Strategies in Sustainable Secondary Batteries

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