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Aggiornato: 4 giorni 17 ore fa
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%).
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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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.
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Beyond bubbles: greener flow-based electroanalysis by an air-driven carrier
DOI: 10.1039/D5GC02382C, PaperTayná Silva Bernardino Barros, Eloise de Lima Osorio, Cláudio Teodoro de Carvalho, Raphael Rodrigues, Lucio Angnes, Magno Aparecido Gonçalves Trindade
An air-driven carrier for electrochemical system applications is developed as a novel approach to improve environmental sustainability in microfluidics devices.
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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.
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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.
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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.
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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.
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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.
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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.
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A novel carbon-free 3D porous honeycomb-like MoS2/ReS2 heterostructure with S vacancies as anodes for sodium-ion batteries
DOI: 10.1039/D5GC02014J, PaperMinghui Ding, Siyi Chen, Tianyu Xue, Mingyu Xie, Junying Weng, Dongming Liu, Lechen Diao, Pengfei Zhou
A novel carbon-free 3D porous honeycomb-like MoS2/ReS2-S heterostructure with S vacancies was designed and applied as an anode material for sodium-ion batteries, demonstrating excellent electrochemical performance.
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Tracking the hydrogen spillover of heterogeneous catalysts in hydrogenation: from formation, migration, and regulation to fate
DOI: 10.1039/D5GC02983J, Tutorial ReviewGuangxun Sun, Peng Xue, Lei Wang, Xin Zhang, Guangzheng Sun, Zhidong Wang, Qian Zhang, Peng Zhang, Yunqi Liu, Yuan Pan
The review “Tracking the hydrogen spillover of heterogeneous catalysts in hydrogenation: from formation and fate to regulation” discusses the challenges in structure optimization and offers strategies to enhance hydrogen spillover efficiency.
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Interfacial molecular engineering-driven self-emulsification: a green strategy for surfactant-free, high-efficiency oral delivery of cyclosporine A
DOI: 10.1039/D5GC02056E, PaperPeiya Shen, Enshi Hu, Jitong Shi, Ruipeng Li, Xingyu Zhu, Yuan Gao, Jianjun Zhang, Yuanfeng Wei, Shuai Qian
A green chemistry strategy for oral peptide delivery using biodegradable cellulose and food-grade trans-anethole enables solvent-free self-emulsification, enhancing bioavailability while minimizing environmental impact and energy use.
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