Showing papers in "Green Chemistry in 2018"

TL;DR: The Green ChemisTrees as discussed by the authors is a showcase for the diversity of research and achievements stemming from green chemistry, inspired by tree diagrams that illustrate diversity of products stemming from raw materials.

TL;DR: In this article, the current progress on the production of FDCA from 5-hydroxymethylfurfural (HMF) has been comprehensively reviewed, focusing on the chemical-catalytic approaches.

TL;DR: In 2007, the members of the ACS Green Chemistry Institute® Pharmaceutical Roundtable assembled a list of key green chemistry research areas to both identify transformations that would benefit from improvements in process greenness and to encourage academic research to this end as mentioned in this paper.

TL;DR: For a review of the state-of-the-art in mechanochemistry, see, e.g., this article, the review presented in this paper. But, there still remains some mystique guarding the "rules" of mechanochemistry.

TL;DR: In this article, a three-constituent DES (3c-DES) was designed by coordinating AlCl3·6H2O in ChCl/glycerol DES based on an acidic multisite coordination theory, allowing the multisite bridging ligands to cleave both the H-bonds and ether bonds in LCCs.

TL;DR: This research successfully demonstrated the possibility of PAW being an effective environmentally benign disinfectant, the activity of which is closely linked to the generation of peroxynitrite, providing much needed insights into the fundamental aspects ofPAW chemistry required for optimisation of the biochemical activity of PAw and translation of this decontamination strategy into real life applications.

TL;DR: In this article, a general overview of decarboxylative reactions using metal-or photoredox catalysis has been given, comparing different approaches for similar reactions and examining their advantages and disadvantages.

TL;DR: In this paper, a non-destructive approach to regenerate cathode materials by hydrothermal treatment of cycled electrode particles followed by short annealing is reported. But the regenerated LiCoO2 particles can retain their original morphology and structure, and provide high specific capacity and cycling stability.

TL;DR: In this article, a review examines the pseudo-lignin formation during acidic and hydrothermal biomass pretreatments and the cooling process after pretreatment, which are applied to biomass for biofuel synthesis through a biochemical route.

TL;DR: In this paper, cellulose nanofibrils (CNF) were used to induce depletion stabilization of oil-in-water Pickering emulsions formed by interfacial adsorption of another type of nanocellulose, namely, cellulose nano-stals (CNC).

TL;DR: In this paper, the progress in the technology of the preparation of carbon nanomaterials from biomass in the last few decades is discussed. And the potential market of biomass-based carbon materials is summarized.

TL;DR: In this article, a gram-scale synthesis of single-crystalline GQDs derived from lignin biomass via a two-step method was reported, which involved the oxidized cleavage step followed by the aromatic refusion step of alkali lignini molecules.

TL;DR: In this article, the selective tailoring of these groups in 5-hydroxymethylfurfural (HMF) was described to form 2,5-dimethylfuran, 2.5-dihydromethylfurus, 2, 5-dimethylhexanediol, 1,6-hexanedol, long-chain alkanes, 3-(hydroxy-methyl)cyclopentanone, p-xylene, 2 5-diformylfuran and maleic anhydride.

TL;DR: Over the last decade, nanocellulose-based nanocomposite hydrogels have emerged as promising materials in different fields of application such as medicine, food, and agriculture and the advances in the synthesis methods and technological applications are addressed.

TL;DR: In this paper, an effective and sustainable approach for selective leaching of lithium from spent LiFePO4 batteries was demonstrated, and the results showed that high purity Li2CO3 (99.95 wt%) could be obtained with a high recovery rate.

TL;DR: In this article, a renewable and new class of deep eutectic solvent (DES) synthesized from lignin-derived phenolic compounds is reported. And the results from this study prove that DESs synthesized by renewable resources are promising solvents for future biorefineries.

TL;DR: In this article, an eco-friendly and practical protocol for the synthesis of Z-vinyl thiocyanates through ultrasound-promoted Bronsted acid ionic liquid-catalyzed hydrothiocyclic synthesis of activated alkynes under minimal solvent conditions has been developed.

TL;DR: In this paper, a fully biobased vitrimer material with high lignin content is demonstrated, which is cured with sebacic acid epoxy to form bond-exchangeable crosslinked networks.

TL;DR: In this article, three-dimensional porous graphene-like sheets (3DPGLS) were directly synthesized from biocarbons at 900 °C using Potassium carbonate as a catalyst to release graphite microcrystals from the crosslinked sp3 carbon atoms in the hard carbon phase and subsequently recrystallized them to form graphene layers.

TL;DR: Dimethyl carbonate (DMC) is an environmentally sustainable compound which can be used efficiently for the upgrading of several promising renewables including glycerol, triglycerides, fatty acids, polysaccharides, sugar-derived platform molecules and lignin-based phenolic compounds as mentioned in this paper.

TL;DR: In this article, the authors developed a facile and effective route to synthesize GQDs for bioimaging by using starch as a precursor and the reactants consist of only starch and water.

TL;DR: In this article, a formaldehyde-free adhesive formulation comprised of two high-volume biorefinery biproducts, namely Kraft lignin (pulp and paper) and glycerol (biodiesel), was reported.

TL;DR: In the past ten years, visible light promoted aerobic oxidations have been emerging as one of the fastest growing fields in organic chemistry because of their low cost, easy availability and environmental friendliness as discussed by the authors.

TL;DR: In this article, a review analyzes recent examples of this promising field and investigates their potential for large-scale applications, emphasizing the strategy and mechanistic considerations for the technical application of sustainable photocatalytic and photochemical reactions.

TL;DR: A review highlighting the progress of aqueous fluoroalkylation over the past few decades is presented in this paper, highlighting the development of methods for the mild, environment-friendly, and efficient incorporation of fluorinated or fluoro-alkylated groups into the target molecules.

TL;DR: In this article, a review of DACs as alkoxycarbonylating agents and their applications in industry and fine synthesis, as well as alkylating agent including allylic alkylation using palladium catalysts and the Pd/Ti bimetallic system and anchimerically driven alkylations via mustard carbonates is presented.

TL;DR: In this paper, waste biomass-derived banana peel ash served as a heterogeneous catalyst for converting soybean oil into biodiesel at room temperature, achieving a high biodiesel yield of 98.95% under the optimized reaction conditions.

TL;DR: In this article, a magnetically retrievable nanocomposite adorned with highly active Pd nanoparticles (NPs) (MRN-Pd) is presented for the efficient reduction of nitroaromatics in aqueous solution.

TL;DR: In this article, a sustainable process for the chemical recycling of PET from waste to a new polymer using an innovative protic ionic salt was reported. But it was not shown that the degradation reaction can be used to synthesise new PET with similar thermal properties to that produced using a conventional polycondensation method.

TL;DR: In this article, a supported Cu-Ni bimetallic catalysts were synthesized and evaluated for the in situ hydrogenation and decarboxylation of oleic acid using methanol as a hydrogen donor.