Chemical News
RSC - Green Chem. latest articles
Aggiornato: 1 giorno 19 ore fa
Green epoxidation of unactivated alkenes via the catalytic activation of hydrogen peroxide by 4-hydroxybenzaldehyde
DOI: 10.1039/D5GC02537K, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Efthymios T. Poursaitidis, Christiana Mantzourani, Ierasia Triandafillidi, Maroula G. Kokotou, Christoforos G. KokotosAn organocatalytic protocol that utilizes 4-hydroxybenzaldehyde as an activator of H2O2 for the epoxidation of unactivated olefins is described. An unprecedented Payne/Dakin tandem mechanistic scenario is presented, supported by DI-HRMS experiments.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Hydrogen peroxide pre-oxidation breaks down the recalcitrance of poplar biomass during acid/pentanol biphasic fractionation
DOI: 10.1039/D5GC03429A, PaperHong Liao, Yimeng Wang, Huayou Chen, Fubao Sun, Junhua Zhang
Structure-guided preprocessing drives efficient and selective phase migration of lignin and hemicellulose in biphasic systems.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
A PASE synthesis of tetrazoloquinolines and its applications in the syntheses of bioactive compounds
DOI: 10.1039/D5GC00908A, CommunicationXiaofeng Zhang, Sashirekha Nallapati, Shea Johnson, Xian Chen, Jongwon Lim
Tetrazoloquinolines, formed by the fusion of quinoline and tetrazole moieties, can engage multiple biological targets, often resulting in improved potency and selectivity.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Advances and future perspectives of composite strategies in vanadium-/manganese-based cathode materials for aqueous zinc-ion batteries
DOI: 10.1039/D5GC01694K, Tutorial ReviewTao Song, Weifeng Fan, Yu Hu, Heng Zhang, Youcun Bai
This review summarizes the recent research progress in vanadium/manganese-based composite materials, focusing on green synthesis strategies employing the composite support materials CNTs, GO, MOF-derived carbon, MXenes and other hybrid carriers.
The content of this RSS Feed (c) The Royal Society of Chemistry
Pt single atoms anchored on CoOx nanoislands for efficient biomass-derived 5-methylfurfural production
DOI: 10.1039/D5GC02331A, PaperXiongxin Liang, Zidong Huang, Xin Luo, Xu Yang, Dai Dang, Xu Li, Hongliang Peng
A novel atomically precise Pt1-CoOx#TiO2 catalyst, featuring Pt single atoms (Pt SAs) anchored on TiO2-supported CoOx nanoislands (∼5–10 nm), which achieves exceptional HMF conversion (95%) and high 5-MF selectivity (>99%).
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Structural and functional divergence of lignin-derived carbon dots and their nucleation pathways under varying alcohol-solvothermal treatments
DOI: 10.1039/D5GC03291A, PaperWenhao Hu, Siyu Zhao, Chihe Sun, Xueping Song, Meysam Madadi, Elahe Chiani, Abdolreza Samimi, Alireza Ashori, Fubao Sun
Lignin-derived carbon quantum dots (L-CQDs) offer a promising avenue for lignin valorization due to their superior biocompatibility, tunable fluorescence, and diverse applications.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Green separation and enrichment of rare and precious metals from spent automotive catalysts via Si collection and electromagnetic directional crystallization
DOI: 10.1039/D5GC02219C, PaperDongfang Yang, Jiao Chen, Wenhui Ma, Yongsheng Ren, Sen Luo, Yun Lei
A new green approach for simultaneously extracting and enriching rare and precious metals from spent automotive catalysts without producing harmful solids, liquids, and gases.
The content of this RSS Feed (c) The Royal Society of Chemistry
Artificial biocatalytic cascades for the enantiocomplementary synthesis of 3-hydroxy-γ-butyrolactones
DOI: 10.1039/D5GC02480C, PaperHong-Kang Fu, Tong-Qiu Lu, Ming-Cheng Zuo, Xin-Yu Da, Hui-Hui Wang, Yong-Zheng Chen, Nan-Wei Wan
An artificial biocascade platform enables the enantiocomplementary synthesis of chiral 3-hydroxy-γ-butyrolactone from bio-based 1,3-dichloropropanol.
The content of this RSS Feed (c) The Royal Society of Chemistry
Metal-free C(sp3)–Si activation enables regiocontrolled [4 + 2] cycloaddition to benzosilacycloethers
DOI: 10.1039/D5GC03044G, PaperLiuzhou Gao, Yan Wen, Yan Sun, Yuxin Sun, Jingyi Hu, Shenglong Wang, Zhenxing Li, Ying Han, Yidong Wang
A transition-metal-free strategy enables inverse site-selective [4 + 2] cycloaddition of benzosilacyclobutanes with activated ketones via DMSO-mediated C(sp3)–Si bond cleavage, contrasting conventional transition-metal-catalyzed pathways.
The content of this RSS Feed (c) The Royal Society of Chemistry
Co-enzyme-free, enzymatic synthesis of aldehydes from renewable resources with a new and highly efficient alkene cleaving dioxygenase
DOI: 10.1039/D5GC01848J, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Astrid Schiefer, Lukas Schober, Thomas Rohr, Margit Winkler, Florian RudroffAlkene cleaving dioxygenases (ADO), which can oxidatively cleave CC double bonds to the respective carbonyl compounds, may aid in biocatalytic waste stream utilization strategies by valorizing lignin-derived monomers.
The content of this RSS Feed (c) The Royal Society of Chemistry
The importance of ester cleavage in the butylamine pretreatment of hybrid poplar
DOI: 10.1039/D5GC01795E, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Joseph M. Palasz, Anagha Krishnamoorthy, Raynald A. Giovine, Xueli Chen, Venkataramana Pidatala, Emine A. Turumtay, Tyrell S. A. Lewis, Edward E. K. Baidoo, Chang Dou, Hemant Choudhary, Ning Sun, Blake A. SimmonsButylamine is an effective in-and-out pretreatment solvent for hybrid poplar. It penetrates the cell walls and breaks ester cross-linkages, facilitating lignin release and improving enzymatic digestion.
The content of this RSS Feed (c) The Royal Society of Chemistry
Mechanochemically mediated electrosynthesis: unveiling a new pathway for redox reactions under mechanochemical conditions
DOI: 10.1039/D4GC06293K, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Mennatullah M. Mokhtar, Tom Heppler, James MackMechanochemically mediated electrochemistry enables sustainable organic synthesis under slurry/paste conditions, achieving high yields and faster reaction times for aromatic bromide reduction and sulfonamide synthesis with minimal solvent.
The content of this RSS Feed (c) The Royal Society of Chemistry
An innovative microreactor approach for sustainable biodiesel production: process design, continuous purification and comparative LCA
DOI: 10.1039/D4GC06538G, PaperCheng-You Yang, Cheng-Yu Wang, Ni Ni Myint, Yi-Chun Chen, Penjit Srinophakun, Ya-Yu Chiang
A continuous flow microreactor system with a helix wire-based biphasic separator achieves high-purity FAME with reduced waste and energy consumption, as confirmed by LCA, marking a significant advancement in sustainable biofuel processing.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Polyurethane depolymerization by dialkyl carbonates: toward sustainable chemical recycling
DOI: 10.1039/D5GC02533H, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ege Hosgor, Ricardo P. Martinho, Jip S. Hoogland, Yuqi Jia, Anahi Morales Gomez, Willem Verboom, Jean-Paul Lange, Jurriaan HuskensHarmless chemical recycling of polyurethane foams: depolymerization with diethyl carbonate allows deep recovery of both constituting monomers, i.e. polyols and diisocyanates, without requiring phosgene as toxic and wasteful reagent.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Electrochemically relevant physical–chemical properties of tetraalkylammonium salts solutions in the renewable solvent dihydrolevoglucosenone (Cyrene®); electrochemical behaviour of some representative organic molecules
DOI: 10.1039/D5GC03356J, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.José M. Ramos-Villaseñor, Jessica Sotelo-Gil, Maricarmen P. Flores-Morales, Ruben Vasquez-Medrano, Bernardo A. Frontana-UribeConductivity, viscosity, IR spectroscopy of tetraalkylammonium salts solutions in DLG, and the electrochemical behavior of representative molecules was studied.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Solvent-promoted catalyst-free aminolytic upcycling of waste polyethylene terephthalate under low-temperature conditions
DOI: 10.1039/D5GC02469B, CommunicationZan Yang, Meihua Chen, Anqi Huang, Jundong Xu, Congshan Zhou, Yongbing Yuan
A solvent-promoted catalyst-free aminolysis method for the chemical upcycling of waste polyethylene terephthalate was explored.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Mechanochemical synthesis of tetramic acids and their biomimetic ring expansion to 4-hydroxy-2-pyridones
DOI: 10.1039/D5GC03085D, Communication
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Kalliopi Mazaraki, Aimilia Eirini Tsirozidou, Basil Kakarikas, Alexandros L. ZografosRolling towards pyridones: ball milling enables green tetramic acid synthesis and its smooth biomimetic expansion to valuable heterocycles.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
NAD(H) self-recycling whole-cell biocatalysis for the production of furoic acid and 2,5-furandicarboxylic acid from furfural via CO2 fixation
DOI: 10.1039/D5GC03156G, CommunicationMingzhe Ma, Yajie Wang
A whole-cell catalytic system facilitates the conversion of furfural to 2,5-furandicarboxylic acid through an NAD(H)-self-sufficient enzyme cascade coupled with CO2 fixation.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
D-band center modulation of Prussian blue analogues through a high-entropy strategy for aqueous potassium-ion batteries
DOI: 10.1039/D5GC03109E, PaperFuping Min, Qi Zhang, Usman Ali, Maoyu Sun, Fayin Liu, Yueqi Xu, Lu Li, Chungang Wang, Bingqiu Liu
On the basis of the d-band center theory, we employed a high-entropy strategy to regulate the d-band center of Fe-based PBAs to enhance the strength of the Fe–CN bond, which exhibits outstanding cycling stability over 10 000 cycles.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry
Metal-free triphenyl phosphite-catalyzed Ritter-type amidation of allylic alcohols
DOI: 10.1039/D5GC03351A, PaperLongzhi Zhu, Furong Guo, Weiwei Luo, Shuangjiao Xie, Tingyuan Zhu, Zihe Liao, Biquan Xiong, Yu Liu, Ke-Wen Tang, Renhua Qiu
A triphenyl phosphite-catalyzed, metal-, oxidant- and additive-free Ritter-type amidation of allylic alcohols is described for the first time, enabling precise regiocontrolled synthesis of amides with 100% atom economy under mild conditions.
To cite this article before page numbers are assigned, use the DOI form of citation above.
The content of this RSS Feed (c) The Royal Society of Chemistry