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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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Catalytic Electron-Acceptor Mediated C(sp2)–H Sulfoxidation Reactions
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC03110A, PaperWenkai Huang, Xue Yang, Wanting Qi, Yuxin Ding, Chang-Jun Zhang, Yuan-Yuan Xie
In recent years, the formation of catalytic Electron Donor-Acceptor (EDA) complexes has been achieved through electron donor redox cycling. However, an electron acceptor catalyst capable of effectively activating the generation...
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DOI: 10.1039/D5GC03110A, PaperWenkai Huang, Xue Yang, Wanting Qi, Yuxin Ding, Chang-Jun Zhang, Yuan-Yuan Xie
In recent years, the formation of catalytic Electron Donor-Acceptor (EDA) complexes has been achieved through electron donor redox cycling. However, an electron acceptor catalyst capable of effectively activating the generation...
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Strategic Design Principles for Greener Biorefinery: A Substrate-Process Matrix Emphasizing Complete Lignocellulose Utilization over Variant Biomass
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC02627J, Critical ReviewJianyu Guan, Aamir Khan, Yi Zhang, Yixing Zhou, Molly Meng-Jung Li, Raffel Dharma Patria, Shao-Yuan Leu
Lignocellulosic biomass (LCB) presents a promising feedstock for sustainable biofuel and bioproduct production. Despite its abundance, only a fraction of LCB is currently utilized, highlighting its complex compositions and the...
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DOI: 10.1039/D5GC02627J, Critical ReviewJianyu Guan, Aamir Khan, Yi Zhang, Yixing Zhou, Molly Meng-Jung Li, Raffel Dharma Patria, Shao-Yuan Leu
Lignocellulosic biomass (LCB) presents a promising feedstock for sustainable biofuel and bioproduct production. Despite its abundance, only a fraction of LCB is currently utilized, highlighting its complex compositions and the...
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Electrochemical intermolecular trifluoromethylimination of alkenes
DOI: 10.1039/D5GC02920A, CommunicationMeiqun Lu, Kailun Chen, Hu Cai
A novel electrochemical trifluoromethylimination of olefinsemploys Langlois reagent (CF3SO2Na) and diaryl ketimines to provide primary amines after hydrolysis, overcoming stability issues in direct electrochemical amine synthesis.
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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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Non-ionic micelle inspired electrochemical functionalization of diverse NH-heterocycles for the synthesis of β-aminoketones
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC01942G, PaperSanjay M. Madurkar, Kuldeep Singh Bhati, Girdhar Pal Singh, Renu Rathore, Dinesh Kumar Yadav, Siddharth Sharma
Alternatives to toxic organic solvents, transition metal, additives and bases are always desirable to reduce its environmental footprint, are now being re-evaluated by developing more sustainable electrolyte free electro-organic synthesis....
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DOI: 10.1039/D5GC01942G, PaperSanjay M. Madurkar, Kuldeep Singh Bhati, Girdhar Pal Singh, Renu Rathore, Dinesh Kumar Yadav, Siddharth Sharma
Alternatives to toxic organic solvents, transition metal, additives and bases are always desirable to reduce its environmental footprint, are now being re-evaluated by developing more sustainable electrolyte free electro-organic synthesis....
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Electrochemical Radical 1,4-Dialkoxylation of 1,3-Dienes to Access (E)-1,4-diethyl Alkenes
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC03120F, CommunicationYang'en You, Chenlei Ji, Yuhe Cheng, Zhiwei Jiang
A highly selective 1,4-dialkoxylation of dienes through direct electrolysis under mild reaction conditions has been developed. With widely available alcohol as alkoxyl sources, a variety of Z/E-mixture 1,3-dienes undergo dialkoxylation...
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DOI: 10.1039/D5GC03120F, CommunicationYang'en You, Chenlei Ji, Yuhe Cheng, Zhiwei Jiang
A highly selective 1,4-dialkoxylation of dienes through direct electrolysis under mild reaction conditions has been developed. With widely available alcohol as alkoxyl sources, a variety of Z/E-mixture 1,3-dienes undergo dialkoxylation...
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The critical role of crystal phases of LaPO4 in controlling the acidic sites for the production of 5-hydroxymethylfurfural from glucose
DOI: 10.1039/D5GC01931A, PaperYanjuan Yang, Yuhuan Li, Liang Deng, Shangzhi Xie, Chuang Gao, Zixu Yang, Jing Xu
This work highlights the critical role of LaPO4 crystalline phases in controlling the acidic sites during the conversion of glucose to 5-hydroxymethylfurfural through various characterization techniques and DFT calculations.
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Magnetically recyclable vanadium-substituted phosphotungstic acid in a deep eutectic solvent for effective wheat straw fractionation
DOI: 10.1039/D5GC02476E, PaperXirun Zhao, Gaojin Lyu, Chang Geun Yoo, Zhen Wang, Jiachuan Chen
A magnetically recyclable POM/DES system was developed to effectively fractionate wheat straw, promote enzymatic saccharification of the carbohydrate fraction, and valorize the lignin fraction.
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Engineering anisotropic wettability in metal–organic framework composites for advanced multiphase-interfacial biocatalysis
DOI: 10.1039/D5GC02210J, PaperShenghao Wang, Linbo Cao, Jiasheng Zhang, Yueyuan Luo, Zhenning Guo, Mingmin Li
Design strategy of high-performance immobilized enzymes for liquid–liquid reactions.
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Spider web-inspired gelatin-based bioplastic enables closed-loop recyclable, biodegradable, and sustainable packaging
DOI: 10.1039/D5GC02900G, PaperYuehong Zhang, Langlang Dai, Chen Yang, Bin Wei, Guangfu Liao
A spider web-inspired, glycerol-free gelatin bioplastic, engineered by integrating tea polyphenols (TP) and hyperbranched polyester (HBPE), enables closed-loop recyclable and biodegradable sustainable packaging.
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Enzyme Immobilization Advances: A Key to Unlocking Renewable Bioenergy Potential
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC03388H, Critical Review Open Access 
  This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Mohamed E. Hassan, Xuhai Zhu, Evanildo F De Souza, Magdy El-Nashar, Fang Lu
This review provides an in-depth analysis of enzyme immobilization techniques and their application in catalyzing the transformation of biomass into high-value chemicals. The utilization of immobilized enzymes in biomass conversion...
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DOI: 10.1039/D5GC03388H, Critical Review
Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Mohamed E. Hassan, Xuhai Zhu, Evanildo F De Souza, Magdy El-Nashar, Fang LuThis review provides an in-depth analysis of enzyme immobilization techniques and their application in catalyzing the transformation of biomass into high-value chemicals. The utilization of immobilized enzymes in biomass conversion...
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Modulating the Cu (111) Facet for Selective CO2 Electroreduction via Tuning Polyaniline’s Oxidation State
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC02285A, PaperYeqing Xu, Chong-Yong Lee, Yong Zhao, Yu Yang, Xin Wang, Zhiqi Chen, Klaudia Wagner, Wei Kong Pang, Gordon G. Wallace, Caiyun Wang
Polyaniline (PANI) can molecularly modify metal copper to enhance CO2 electrochemical reduction (CO2ECR) performance. It is widely accepted that PANI enhances the performance by interacting with CO2 molecules and intermediates...
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DOI: 10.1039/D5GC02285A, PaperYeqing Xu, Chong-Yong Lee, Yong Zhao, Yu Yang, Xin Wang, Zhiqi Chen, Klaudia Wagner, Wei Kong Pang, Gordon G. Wallace, Caiyun Wang
Polyaniline (PANI) can molecularly modify metal copper to enhance CO2 electrochemical reduction (CO2ECR) performance. It is widely accepted that PANI enhances the performance by interacting with CO2 molecules and intermediates...
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Technical and carbon footprint assessment of mortars derived from CO2 and magnesia recovered from bischofite
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC03502C, PaperYufeng Song, Jiaze Wang, Jiahao Zhou, Xinpeng Wang, Cise Unluer, Tao Shi, Aoyun Zhang, Cheng-Gong Chang, Shaoqin Ruan
Bischofite (MgCl2·6H2O), the byproduct of salt lake resource extraction, is a useful source for valuable resources. This study investigated the production and utilization of reactive magnesia (MgO) cement (RMC) from...
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DOI: 10.1039/D5GC03502C, PaperYufeng Song, Jiaze Wang, Jiahao Zhou, Xinpeng Wang, Cise Unluer, Tao Shi, Aoyun Zhang, Cheng-Gong Chang, Shaoqin Ruan
Bischofite (MgCl2·6H2O), the byproduct of salt lake resource extraction, is a useful source for valuable resources. This study investigated the production and utilization of reactive magnesia (MgO) cement (RMC) from...
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Quasi-single-crystalline/amorphous high-entropy layered hydroxide for robust glycerol valorization to formate
Green Chem., 2025, Accepted Manuscript
DOI: 10.1039/D5GC03670D, PaperWenqian Zheng, Xianghui Pang, Changgang Dong, Liheng Sun, Jiaqi Guo, Pin Hao, Fengcai Lei, Xu Sun, Junfeng Xie
The electrochemical glycerol oxidation reaction (GOR) offers a promising alternative to the anodic oxygen evolution reaction in water electrolysis, enabling simultaneous energy-saving hydrogen production and sustainable synthesis of value-added formate....
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DOI: 10.1039/D5GC03670D, PaperWenqian Zheng, Xianghui Pang, Changgang Dong, Liheng Sun, Jiaqi Guo, Pin Hao, Fengcai Lei, Xu Sun, Junfeng Xie
The electrochemical glycerol oxidation reaction (GOR) offers a promising alternative to the anodic oxygen evolution reaction in water electrolysis, enabling simultaneous energy-saving hydrogen production and sustainable synthesis of value-added formate....
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