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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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