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Insights into photoelectrocatalytic lignin oxidation to value-added products using a niobium-doped titanium dioxide photoanode
DOI: 10.1039/D5GC00038F, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Daniela F. S. Morais, Luiza M. G. Sena, Joana M. Ribeiro, Telmo da Silva Lopes, Paula Dias, Adélio Mendes, Carina A. E. Costa, Alírio E. Rodrigues, Susana R. S. Pereira, Paula C. Pinto, Rui A. R. Boaventura, Carlos J. Tavares, Vítor J. P. Vilar, Francisca C. MoreiraPhotoelectrocatalysis was explored as an innovative process to oxidize lignin from black liquor, a by-product of wood pulping.
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Gas-constructed assembled materials: a sustainable way for transforming gas into value-added products
DOI: 10.1039/D4GC05893C, PerspectiveYulian Zhang, Qiang Yan
The conversion and utilization of greenhouse gases and other polluting gases in an environmentally friendly way represents a crucial strategy for developing C1 chemistry and mitigating the dual crises of energy scarcity and the greenhouse effect.
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Influence of functional additives, fillers, and pigments on thermal and catalytic pyrolysis of polyethylene for waste plastic upcycling
DOI: 10.1039/D5GC00688K, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Harish Radhakrishnan, Abdulrahman A. B. A. Mohammed, Isabel Coffman, Xianglan BaiPyrolysis offers an economical method to convert waste plastics into valuable chemicals and fuels. However, the effects of various additives and impurities in waste plastics on the pyrolytic conversion must be better understood.
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Towards ultra-stable aqueous zinc-ion batteries via electrochemical polymerization of phthalimido-anchored benzoquinone
DOI: 10.1039/D5GC01391G, PaperDan Wang, Yu-Xuan Bai, Zi-Xiang Zhou, Wei Cao, Yang-Min Ma, Chao Wang
Phthalimido anchored benzoquinone is selected as monomer for electropolymerization to fabricate the cathode of aqueous ZIBs with ultralong cycling stability.
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Enhancing the electroreduction of N2 and/or O2 on MoS2 using a nanoparticulate intrinsically microporous polymer (PIM-1)
DOI: 10.1039/D5GC00612K, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Caio V. S. Almeida, Lara K. Ribeiro, Lucia H. Mascaro, Mariolino Carta, Neil B. McKeown, Frank MarkenBinding nitrogen gas into a microporous polymer close to an electrode surface increases the electrochemical production of ammonia.
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Electrochemically driven silicon–carbon bond cleavage of silacyclobutanes: a transition metal-free approach
DOI: 10.1039/D5GC01185J, PaperYuanmeng Li, Jianshu Yue, Yinghui Shao, Yanni Yue, Hongping Deng, Xiaoli Bu, Mengtao Ma, Fei Xue
A sustainable and efficient electrochemical protocol has been developed for the synthesis of silyl ethers and silanols from SCBs under mild, metal-free conditions.
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Oxidative dearomatization of 3-substituted indoles with sulfonium salts: direct access to 3-hydroxyoxindoles
DOI: 10.1039/D5GC00780A, CommunicationSudipta Baur, Amitava Hazra, Joydev K. Laha, Srimanta Manna
A new approach has been developed for the oxidative dearomatization of 3-substituted indoles into 3-hydroxyoxindoles, which employs an in situ sulfonium intermediate generated via the activation of DMSO with alkyl halide.
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Photo-promoted production of a new monophenolic compound from larch lignin with polyoxometalates supported on g-C3N4 under ambient conditions
DOI: 10.1039/D5GC00692A, PaperHe Wan, Yang Liu, Chunhui Yu, Kuiyuan Cao, Yongwei Han, Zhong Sun, Junyou Shi, Xixin Duan
Mild conditions and high selectivity are challenging to achieve during the oxidative depolymerization of lignin into phenolic compounds.
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tert-Butyl hydroperoxide-mediated rapid 30-second oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid
DOI: 10.1039/D5GC00480B, PaperJian Liu, Ximing Zhang
A novel Au/CeO2-catalyzed TBHP system achieves 95% FDCA selectivity at full 5-HMF conversion in 30 s (90 °C), driven by stabilized radicals and van der Waals-enhanced spatial proximity for efficient oxidative activation.
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Mining waste as heterogeneous catalysts
DOI: 10.1039/D5GC01509J, Critical Review
Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Soo Lim Kim, Heejin Yang, Seonho Lee, Si-Kyung Cho, Chang-Gu Lee, Seitkhan Azat, Jechan LeeMining activities generate significant waste that poses serious environmental challenges, emphasizing the urgent need for effective waste management strategies.
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One-pot lignocellulose fractionation towards efficient whole sugar conversion and aromatic monomer production using a mild alkaline oxidation system
DOI: 10.1039/D5GC00999E, PaperZiyi Yang, Feiyue Shen, Weihong Dai, Zhiwen Zeng, Jiayi Xu, Li Zhao, Wei Qi, Jinguang Hu, Dong Tian, Fei Shen
Schematic of the TMAH/UHP system fractionating lignocellulose into carbohydrates, native-like lignin, and recyclable fertilizer in a sustainable manner.
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Assessing supported nickel catalysts for the upcycling of real WEEE plastics through low-pressure hydropyrolysis and dehalogenation
DOI: 10.1039/D4GC06546H, Paper
Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Lidia Amodio, Jennifer Cueto, Julio López, Héctor Hernando, Patricia Pizarro, David P. SerranoThis study pioneers the catalytic hydropyrolysis of WEEE plastics, achieving effective dehalogenation and sustainable resource recovery using a robust nickel catalyst.
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Dipole moment regulation of a small-molecule quinone mediator boosts long-term cycling stability for decoupled water electrolysis
DOI: 10.1039/D5GC01266J, PaperAJing Song, Xin Jin, Yuan Wei, Chunmao Xiong, Tongna Shi, Yuanyuan Ma, Jianping Yang
A series of quinone-based materials was designed, among which low-dipole TMBQ achieved stable, membrane-free hydrogen production in acidic electrolytes.
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A photo-Fenton-like (trideutero)methylation reaction of N/O heterocycles with DMSO(-d6) induced by EDA complex photocatalysis
DOI: 10.1039/D4GC05939E, PaperChangsheng Qin, Chenxu Li, Fang Gao, Jingfang Wang, Zhihua Zhang, Shuai Zhang, Xinyue Li, Yi Sun, Meiqian Hu, Shoucai Wang, Fanghua Ji, Guangbin Jiang
We have achieved the (deutero)methylation of N/O heterocycles through a visible-light catalyzed strategy. This reaction employs DMSO(-d6) as the methyl source and relies on the in situ generation of an active catalyst.
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Electrocatalytic linear coupling of alkenes via radical anion under mild conditions
DOI: 10.1039/D5GC00295H, PaperJingao Xiao, Feng Long, Sheng Yi, Haifang Luo, Changqun Cai, Hang Gong
An efficient electrocatalytic method generates unstable radical anions under mild conditions, avoiding dangerous organolithium reagents. Achieves metal-free alkene homo-/cross-coupling without external oxidants/reductants in good yields.
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Selective production of acetonitrile via dehydroamination of ethanol over a stable Cu–Zr/meso SiO2 catalyst
DOI: 10.1039/D5GC01047K, PaperXiaomin Zhang, Mo Zhou, Yujia Zhao, Jifeng Pang, Pengfei Wu, Zhen Guo, Mingyuan Zheng
A binary Cu–Zr/meso SiO2 catalyst with excellent performance for ethanol dehydroamination to acetonitrile.
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Metal–carbon electrode optimization for efficient electrochemical regeneration of 1,4-NADH: a new approach for sustainable biochemical synthesis
DOI: 10.1039/D5GC01535A, PaperYang Zhou, LingLong Huang, Yuan Tao, ChangQing Luo, JianMiao Xu, ZhiQiang Liu, YuGuo Zheng
Foamed metal-carbon electrode electrochemical coenzyme regeneration system.
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Closed-loop chemical recycling of polyethylene furan-2,5-dicarboxylate (PEF) under microwave-assisted heating
DOI: 10.1039/D5GC01583A, Paper
Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Sean Najmi, Dylan Huang, Andrew Duncan, Daniel Slanac, Keith Hutchenson, James Hughes, Raja Poladi, Dionisios G. VlachosPolyethylene furan-2,5-dicarboxylate (PEF) is a high-performance, bio-based analog to traditional petroleum-derived polyethylene terephthalate (PET) with improved properties and recyclability.
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Photoinduced tunable fluoroalkylation or sulfonylation/cyclization of methindolylstyrenes via electron donor–acceptor complexes
DOI: 10.1039/D5GC01102G, CommunicationMin Wang, Yu-Rui Jian, Xin-Yu Fu, Wei Xiang, Xiao Zha, Hong-Yu Zheng, Bao-Dong Cui, Yun Zhang, Xue-Qing Mou, Yong-Zheng Chen
A photoinduced, tunable fluoroalkylation- or sulfonylation/cyclization of β-4′-methindolylstyrene to access 4-sulfonyl-, 4-fluoroalkyl- or 2-fluoroalkyl-tetrahydrobenzo[cd]-indoles via EDA complexes is described.
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Closed-loop chemically recyclable aromatic polyesters based on asymmetric dicarboxylates obtainable from lignocellulose
DOI: 10.1039/D4GC05572A, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Nitin G. Valsange, Niklas Warlin, Smita V. Mankar, Nicola Rehnberg, Baozhong Zhang, Patric JannaschDicarboxylate ester monomers obtainable from lignocellulosic building blocks are polymerized with different diols to produce aromatic polyesters with tunable properties, which include closed-loop chemically recyclability via methanolysis.
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