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Gram-scale production of 4-vinyl guaiacol in the fast-growing phototrophic cyanobacterium Synechococcus sp. PCC 11901
DOI: 10.1039/D5GC00905G, Communication
Open Access 
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Thomas Rohr, Florian RudroffThe expression of a phenolic acid decarboxylase in the fast-growing phototroph S. PCC11901 combines a whole-cell catalysis approach with a simultaneous carbon supply, preventing photorespiration, even on gram-scale.
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Highly efficient electro-epoxidation of olefins coupled with bromine recycling
DOI: 10.1039/D5GC00148J, PaperHaoqiong Zhu, Menglu Cai, Xiaozhong Wang, Liyan Dai
A Br-mediated, membrane-less electro-epoxidation of olefins has been developed with a 97.5% yield and 84.7% Faraday efficiency, integrated with a practical electrolyte regeneration process.
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Evolution process of humins derived from cellulose by a humin extraction approach
DOI: 10.1039/D5GC00654F, PaperXianda Li, Zhongping Shao, Haozhe Shan, Li Liu
A novel strategy was developed to extract cellulose-derived humins, thereby disclosing their structural evolution process for the first time.
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Deoxygenative dual CO2 conversions: methylenation and switchable N-formylation/N-methylation of tryptamines
DOI: 10.1039/D5GC00942A, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Kazuto Takaishi, Hajime Morishita, Kosuke Iwaki, Tadashi EmaNew types of deoxygenative dual CO2 conversions were developed in which two CO2 molecules acted as different synthons and were converted into methylene and N-formyl/N-methyl groups.
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Red-light-driven enantioselective Minisci-type addition to heteroarenes via recyclable semi-heterogeneous catalysis
DOI: 10.1039/D5GC00566C, PaperYajun Sun, Geyang Song, Yonggang Yan, Tengfei Kang, Jianyang Dong, Gang Li, Dong Xue
Graphitic carbon nitride with chiral Brønsted acid enables red-light-driven enantioselective Minisci reactions on heteroarenes, featuring broad substrate scope, recyclability (10 cycles), and sustained reactivity/selectivity.
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A highly efficient ruthenium catalytic system for the direct synthesis of butanol from propylene and CO2: a low-temperature reverse water–gas shift route
DOI: 10.1039/D5GC00055F, PaperChenfei Yao, Boyu Zhu, Peng Zheng, Xingbang Hu
An efficient catalytic system was reported for the direct preparation of butanol from propylene and CO2 based on a low-temperature reverse water–gas shift reaction.
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Electrochemical difunctionalization of indolizines with glyoxylic acid and halide salts
DOI: 10.1039/D4GC06102K, PaperChenglong Feng, Xin Liu, Peipeng Zhang, Meichao Li, Zhenlu Shen
A green and efficient one-pot electrochemistry methodology has been developed for C–H difunctionalization of indolizines, providing a series of difunctional indolizine derivatives in moderate to good yields under mild conditions.
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Zwitterionic polymer-assisted asymmetrically coordinated Cu atoms on aligned carbonous microchannels for efficient electroreduction of CO2 to CO
DOI: 10.1039/D5GC00732A, PaperCongwei Wang, Kun Zhang, Xiaoxiang Zhang, Jianmei Wang, Xinglin Luo, Gang Li, Kaiying Wang
CuSA embedded in aligned porous carbon was prepared via zwitterionic polymer-assisted adsorption, directional freezing and pyrolysis. Benefiting from asymmetrical coordination and aligned microchannels, CuSA@AHPC exhibited a FE(CO2-to-CO) of 96.11%.
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An ionic porous organic polymer gel with hydroxide anions as an efficient catalyst for N-formylation of amines and amides with carbon dioxide
DOI: 10.1039/D5GC00173K, PaperJie Xu, Di Chen, Zhaobin Ye, Shasha Ma, Yuanlong Wang, Jianyong Zhang
A metal-free heterogeneous ionic gel catalyst with triaminoguanidine and 1,1′-(p-phenylenedimethylene)bis(4-formylpyridinium) cationic units catalyzes the N-formylation of amines and amides.
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N-Heterocyclic carbene-/photoredox-catalyzed regioselective carbonylation of alkenes
DOI: 10.1039/D5GC00609K, Paper
Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Mao-Lin Yang, Xiao-Feng WuWe developed a novel dual catalytic strategy by combining NHC catalysis with photocatalysis for the carbonylation of alkenes, enabling the synthesis of valuable 1,4-dicarbonyl compounds.
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Electrochemically enabled nickel-catalyzed controllable synthesis of monoaryl or diaryl amines from aryl halides and trimethylsilyl azides
DOI: 10.1039/D4GC06307D, PaperJiawei Huang, Xiaoman Li, Xue Zhao, Yu Wei, Liang Xu
Nickel-catalyzed electrochemical synthesis enables selective monoaryl and diarylamine formation from aryl halides and TMSN3, marking a revolutionary progress in direct arylamine production.
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Highly active Fe–N4 sites confined in ordered carbon nanotube arrays as a self-supporting cathode catalyst for oxygen conversion
DOI: 10.1039/D5GC00820D, PaperShuling Liu, Tongjun Li, Guozheng Dong, Xinao Wei, Keke Zhao, Bangan Lu, Yu Chen, Yanyan Liu, Jianchun Jiang, Baojun Li
A self-supporting FeSA/NC catalyst, featuring atomically dispersed Fe–N4 active sites, exhibits remarkable activity for alkaline oxygen reduction with a high energy density of 77 mW cm−2 and long-term stability (77 h) in quasi-solid ZABs.
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Multi-layered CuO/SiO2 core–shell structure improves electrocatalytic CO2-to-n-propanol conversion
DOI: 10.1039/D4GC06563H, PaperSha Wang, Jiangling Zhang, Yingzhe Zhao, Jiajun Zhong, Zhongjun Chen, Yisen Yang, Buxing Han, Yongxin Cheng, Meiling Li, Qian Li
Multi -layered CuO/SiO2 core–shell catalyst was fabricated for electrocatalytic CO2 reduction, by which the Faraday efficiency for n-propanol production could reach 13.3% at −1.65 V in a flow cell, with a partial current density of 94.0 mA cm−2.
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Fabrication of PVDF ultrafiltration membranes with methyl lactate: enhancing performance through green solvent practices
DOI: 10.1039/D4GC05922K, PaperManyao Zhu, Deyi Han, Shujuan Yang, Yong Zhang, Haichuan Zhang
PVDF ultrafiltration membranes synthesized with methyl lactate exhibit a unique sponge-like morphology and high performance.
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Selective hydrogenolysis of lignin over hierarchical CoNC catalysts for the sustainable production of 4-propylsyringol
DOI: 10.1039/D5GC00432B, PaperMengqiao Gao, Yun Tian, Sijie Liu, Wanying He, Xinjun He, Kejia Wu, Jinxing Long, Qiang Zeng, Xuehui Li
A hierarchical CoNC catalyst was used for the selective production of 4-propylsyringol via a radical route during lignin hydrogenolysis.
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Insights into the reductive catalytic deconstruction of lignin over ultralow-loading palladium–zinc catalysts derived from zinc imidazolate frameworks
DOI: 10.1039/D4GC05467A, PaperYi-Hui Lv, Qiang Wang, Wen-Zheng Yin, Xue-Jie Gao, Ling-Ping Xiao, Run-Cang Sun
An ultralow-loading palladium–zinc catalyst was developed for the reductive catalytic deconstruction of lignin into monophenols with high yield and selectivity.
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Advancing green chemistry performance assessment: the Estée Lauder Companies’ continuing journey towards meaningful transparency
DOI: 10.1039/D4GC04670F, Paper
Open Access 
  This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Eva C. Thompson, Paul Anastas, Heidi Bialk, Deanna D'Alessandro, Voravee P. Hoven, Timothy J. Kedwards, Zhimin Liu, Anja-Verena Mudring, Kei Saito, Vânia Zuin Zeidler, George DaherAn enhanced green chemistry performance metric for cosmetic ingredients and formulas is presented, incorporating advanced metrics and data sources. This provides formulation design teams with more precise material selection guidance and analytics.
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Tuning the electronic structure of phosphonic acid-based deep eutectic solvents for synergistic catalytic oxidative desulfurization
DOI: 10.1039/D5GC00327J, PaperLixian Xu, Jie Yin, Dongao Zhu, Beibei Zhang, Linhua Zhu, Hongping Li, Jing He, Huaming Li, Wei Jiang
The bifunctional phosphonic acid-based (PDES) ZnCl2/2PIA, synthesized via coordination and hydrogen bonding, exhibited efficient oxidative desulfurization of diesel fuel and high cycle-regeneration stability.
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Selective catalytic depolymerisation of C-lignin into ethylcatechol using commercial Pd/C under hydrogen-free conditions
DOI: 10.1039/D5GC00161G, PaperXuening Li, Shuizhong Wang, Guoyong Song
Pd/C can effectively catalyse the cleavage of Cα–O, Cβ–O and Cβ–Cγ bonds in C-lignin under an N2 atmosphere, resulting in the production of ethylcatechol with an 80.7 mol% yield and 69% selectivity, with methanol acting as the primary hydrogen donor.
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Green solvents in hydroformylation-based processes and other carbonylation reactions
DOI: 10.1039/D5GC00451A, Critical ReviewFábio G. Delolo, Leandro D. Almeida, Gabriel M. Vieira, Eduardo N. dos Santos, Elena V. Gusevskaya
Green solvents enhance the sustainability of hydroformylation and other carbonylation reactions by reducing environmental impact, improving safety, and enabling more efficient, eco-friendly catalytic processes.
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