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H2-driven biocatalytic O-demethylation of lignin derived aromatics in a closed-loop flow system powered by water electrolysis
DOI: 10.1039/D5GC05054E, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Donato Calabrese, Guiyeoul Lim, Parsa Nayyara, Megan E. Wolf, Paul R. F. Cordero, Lindsay D. Eltis, Lars LauterbachWe demonstrate an H2-driven, closed-loop biocatalytic system integrating water electrolysis with efficient O-demethylation of lignin aromatics for sustainable chemical production.
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Photocatalytic modular synthesis of functionalized cyclotetrasiloxane (D4) monomers toward tailored polysiloxanes
DOI: 10.1039/D5GC05780A, CommunicationShaowei Chen, Zhiqiang Fang, Xiaoqian He, Qi Jia, Yanchuan Zhao, Xiao Shen
We report a photocatalytic radical C–H functionalization strategy for modular modification of octamethylcyclotetrasiloxane, accommodating diverse functional groups to efficiently access functionalized polysiloxanes.
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Unexpected magnesium oxide/calcium sulfide barnacle-like structures derived from pyrolysed carrageenans
DOI: 10.1039/D5GC03892H, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ewan D. Ward, Jolyon J. Glynn, Ryan E. Barker, Duncan J. Macquarrie, Avtar S. MatharuDerived from a metal–organic framework of Irish Moss carrageenan and naturally inherent magnesium and calcium, this barnacle-impersonating material, offers a potential solution to aquatic heavy metal pollution and critical metal recovery.
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Sustainable bubble-mediated dynamic triphasic antisolvent crystallization for magnesium sulfate nano–micro particles: precise size and morphology control
DOI: 10.1039/D5GC05730B, PaperYingchen Wang, Sheng Liu, Jiaqi Luo, Mingting Yuan, Yimin Jia, Qiutong Zhang, Wenhao Yan, Qiushuo Yu
Sustainable bubble-mediated dynamic triphasic antisolvent crystallization was proposed and applied in the production of nano–micro particles.
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Strategic sodium modulation for low-temperature fabrication of phase-pure Na3V2(PO4)3 cathodes: mechanistic insights and performance optimization in sodium-ion batteries
DOI: 10.1039/D5GC05076F, PaperZhaojin Li, Yunbo Di, Zhicheng Wang, Di Zhang, Huilan Sun, Qujiang Sun, Qiujun Wang, Fei Yuan, Ranran Li, Bo Wang
The influence mechanism of Na content on NV2P crystal growth has been clearly revealed.
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Low-temperature synthesis of red carbon dots with precise spectral conversion via a microwave–solvothermal method and application in spectral conversion films
DOI: 10.1039/D5GC05645D, PaperYing Wang, Jiayu Liu, Xinyan Fan, Yonggui Wang, Zefang Xiao, Yanjun Xie
This study developed a microwave–solvothermal method for the rapid synthesis of solid-state luminescent carbon dots (CDs) at a low temperature of 60 °C–100 °C and their application in spectral conversion films.
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Sintering- and coking-resistant Ni/HTASAO5 catalysts for high temperature dry reforming of methane
DOI: 10.1039/D5GC05472A, PaperJiashi Zhu, Xueshuang Wu, Haiqing Cai, Li Li, Jing Yang, Hanyi Liu, Jianli Wang, Guiying Li, Changwei Hu
Dry reforming of methane (DRM) provides a promising strategy for combating global warming by concurrently converting two greenhouse gases, CH4 and CO2, to value-added syngas. The Ni/HTASAO5 catalyst exhibited high activity and stability at 900–1000 °C.
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A review of preparation processes for SiO2 aerogel insulation materials: green pathways for silicon extraction, drying, and modification
DOI: 10.1039/D5GC04891E, Tutorial ReviewYujia Bai, Yina Qiao, Haoxiang Zhang, Riya Jin, Mengye Jia, Jiaoqin Liu, Zengdi He, Jiawei Nie
Optional green pathways for silica aerogel preparation from agricultural waste, including silicon extraction, drying, and modification.
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Dual-site synergy boosting CO2 reduction to multi-carbon products on copper-conjugated electrocatalysts
DOI: 10.1039/D5GC04944J, PaperJianxia Gu, Haiping Zhou, Fanfei Meng, Chunjing Tao, Guogang Shan, Jingting He, Zhongmin Su, Chunyi Sun
A conjugated copper–porphyrin framework with synergistic dual catalytic centers is developed, where the Cu3L3 cluster drives C–C coupling while the porphyrin center acts as an additional active site and modulates electronic properties.
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Biocompatible ultrafast thiol-acetalization enabled by triaryl carbenium ion-pair
DOI: 10.1039/D5GC03823E, PaperPeng Chen, Ming Zou, Yu Zhang, Niuniu Li, Ruoqi Li, Lijuan Liang, Zhenguo Zhang, Teck-Peng Loh, Zhenhua Jia
A highly efficient, metal-free protocol has been developed for the ultrafast thiol-acetalization of aldehydes and ketones with thiols in water, catalyzed by a triaryl carbenium ion-pair under biocompatible conditions.
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A switchable reductive cyclization of o-alkyl nitroarenes: divergent synthesis of heterocycles
DOI: 10.1039/D5GC05521K, PaperMeiqi Zhu, Hangyu Zhou, You Su, Zheng-Jun Wang, Yikun Chen, Xinyu Xu, Dingyi Wang
This metal-free protocol enables the rapid and highly selective conversion of ortho-alkyl nitroaromatics into diverse heterocycles—including thiophenes, quinolines, and N-hydroxyindoles—in moderate to good yields.
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Unlocking overall electrolysis efficiency: pairing value-added reduction reactions with oxidative valorization of biomass-derived compounds
DOI: 10.1039/D5GC04516A, Critical ReviewYan Zhong, Feng Liu, Chengyu Fang, Qi Huang, Xubo Huang, Chunxian Guo
A paired electrolysis system for integrating biomass oxidation reactions with high-value reductive reactions enables valuable products co-generation and overall efficiency improvement.
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A green one-pot strategy for sustainable fully lignin-based adhesives
DOI: 10.1039/D5GC05305F, PaperCheng Zuo, Xin-Yi Hui, Pin-An Xin, Hao-Nan Qi, Zhuo-Hua Sun, Jia-Long Wen, Tong-Qi Yuan
A one-pot strategy enables the simultaneous depolymerization, demethoxylation, and hydroxymethylation of industrial lignin to prepare sustainable fully lignin-based adhesives.
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Protein dynamics-assisted engineering of a selective debenzylase for replacing Pd/C-catalyzed debenzylation in statin precursor synthesis
DOI: 10.1039/D5GC05033B, PaperJianfeng Lin, Xuri Wu, Yijun Chen
This work presents the first enzymatic debenzylation as a green alternative to Pd/C-catalyzed hydrogenation. Using CoDyPAM approach, dynamic conformational analyses identify challenging distal hotspots for enzyme engineering.
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An electrocatalytic three-component cyclization reaction: synthesis of selenium-containing cyclopentenes via intermolecular selective [3 + 2] annulation of terminal alkynes, unsaturated propionates, and diselenides
DOI: 10.1039/D5GC05879A, CommunicationZu-Yu Mo, Yi Zhang, Xin-Yu Tang, Lei Gao, Ying-Ming Pan, Mu-Xue He, Xian-Li Ma
We have developed a mild and effective electrocatalytic three-component cyclization reaction of terminal alkynes, allyl dimethyl esters, and diselenides to synthesize valuable selenium-containing cyclopentene derivatives.
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Metal-free and visible photons for the dehydrogenative N–N coupling of amines: powerful methods to synthesize optoelectronic materials
DOI: 10.1039/D5GC04907E, PaperLinjie Li, Yunyi Shang, Yujia Gao, Yanfeng Zhang, Chao Xu, Qichun Zhang, Hui Wang
We have developed a metal-free, visible-light-promoted intermolecular N–N coupling reaction that enables optically valuable hydrazine synthesis from readily available Lewis basic secondary amines using N-iodosuccinimide (NIS) as a mediator.
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Enhancing catalytic performance of intergrowth ferroelectric Bi5TiNbWO15 through strong synergistic photo–tribo–piezo multi-field polarization
DOI: 10.1039/D5GC05548B, PaperHongjian Yu, Xiaole Li, Rufang Zhao, Keyang Wang, Yuxuan Liao, Chendi Shi, Shuchen Tu, Hiang Kwee Lee, Fan Guo, Jie Han
The intergrowth ferroelectric Bi5TiNbWO15 exhibits a strong piezoelectric field that drives carrier separation and migration, demonstrating effective photo–tribo–piezo multi-field synergy for efficient catalytic degradation and H2O2 generation.
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Electrochemical nitrogen oxide formation from ammonia and dinitrogen
DOI: 10.1039/D5GC05480J, Perspective
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Peter Jungbacker, Ruud Kortlever, Fokko M. MulderThe emerging area and challenges of electrochemical nitrogen oxide formation from dinitrogen and ammonia are reviewed.
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The complex interplay of chemo- and bio-catalysis for one-pot oxidation cascades – indole oxidation in focus
DOI: 10.1039/D5GC05367F, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Alex Stenner, Richard J. Lewis, Johnathan Pask, David J. Morgan, Thomas E. Davies, Graham J. HutchingsThis contribution highlights the exceptional performance achievable via a chemo-enzymatic approach to the valorisation of chemical feedstocks, and outlines the key parameters which must be considered for such tandem systems to operate efficiently. Image partly generated using Google Gemini.
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Visible-light-induced chemoselective dicarboxylation of alkynes using formate and CO2
DOI: 10.1039/D5GC05126F, PaperJiayuan Li, Daoshun Chen, Chanjuan Xi
Visible-light-induced dicarboxylation of alkynes with CO2 and formate for the synthesis of succinic acids has been developed under mild conditions. Mechanistic experiments proved that the formate enabled the reaction to proceed via CO2•−
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