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Carbazole-functionalized Chichibabin diradicaloids with redshifted absorption and enhanced photoluminescence. 具有红移吸收和增强光致发光特性的咔唑功能化奇奇巴宾二根碱类化合物。
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-05-20 DOI: 10.1039/d5cc01805f
Vivek Chandrakant Wakchaure, Xingmao Chang, Julia Zolg, Rémi Blinder, Mona E Arnold, Fedor Jelezko, Alexander J C Kuehne, Max von Delius
{"title":"Carbazole-functionalized Chichibabin diradicaloids with redshifted absorption and enhanced photoluminescence.","authors":"Vivek Chandrakant Wakchaure, Xingmao Chang, Julia Zolg, Rémi Blinder, Mona E Arnold, Fedor Jelezko, Alexander J C Kuehne, Max von Delius","doi":"10.1039/d5cc01805f","DOIUrl":"https://doi.org/10.1039/d5cc01805f","url":null,"abstract":"<p><p>Organic radicals and diradicaloids that are both stable and luminescent are promising candidates for molecular qubits in quantum technologies. Here we report two new carbazole-functionalized Chichibabin diradicaloids that in comparison to the parent compound TTM-TTM exhibit a 50 nm bathochromic shift of absorption and a 2-3-fold increase in PLQY.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144109057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancing the CuAAC efficiency of a Cu(I)-NHC complex in biological media by encapsulation 包封法提高Cu(I)-NHC配合物在生物培养基中的CuAAC效率
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-05-20 DOI: 10.1039/d5cc01891a
A.P. Prakasham, Harshit Singh, Anja Palmans
{"title":"Enhancing the CuAAC efficiency of a Cu(I)-NHC complex in biological media by encapsulation","authors":"A.P. Prakasham, Harshit Singh, Anja Palmans","doi":"10.1039/d5cc01891a","DOIUrl":"https://doi.org/10.1039/d5cc01891a","url":null,"abstract":"A novel [(NHC)2Cu]Br (Cu(I)-NHC) complex promotes CuAAC reactions in organic solvents, water, buffers and even in complex biological media in good yields. Encapsulation of the Cu catalyst in an amphiphilic polymer enhances its performance in complex media, increases catalyst stability in presence of glutathione and reduces cytotoxicity in HeLa cells.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"13 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144096853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Copper-catalyzed three-component radical aminoazolation of vinylarenes with N-fluorobenzenesulfonimide and trimethylsilylazole derivatives 铜催化乙烯烯与n -氟苯磺酰亚胺和三甲基硅唑衍生物的三组分自由基氨基唑化反应
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-05-20 DOI: 10.1039/d5cc01080b
Qingbing Yuan, Caiqiong Wu, Yonghu Bao, ZeMing Huang, Hua Wang, Yun Wei, Shaowu Wang
{"title":"Copper-catalyzed three-component radical aminoazolation of vinylarenes with N-fluorobenzenesulfonimide and trimethylsilylazole derivatives","authors":"Qingbing Yuan, Caiqiong Wu, Yonghu Bao, ZeMing Huang, Hua Wang, Yun Wei, Shaowu Wang","doi":"10.1039/d5cc01080b","DOIUrl":"https://doi.org/10.1039/d5cc01080b","url":null,"abstract":"A copper-catalyzed three-component radical aminoazolation of vinylarenes with N-fluorobenzenesulfonimide (NFSI) and trimethylsilylazole derivatives has been developed. This methodology provides an efficient and straightforward approach to generate various β-sulfoamino azoles in good to excellent yields. The protocol features exclusive chemo- and regioselectivity, excellent functional group tolerance under mild conditions.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"25 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144097080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enabling Ca plating and stripping by electrolyte manipulation in low-volatility solvents for Ca metal batteries 在低挥发性溶剂中实现钙金属电池的电解液电镀和剥离
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-05-20 DOI: 10.1039/d5cc01242b
Kohei Shibuya, Kazuaki Kisu, Arunkumar Dorai, Yukiya Shinoda, Takara Shinohara, Shin-ichi Orimo
{"title":"Enabling Ca plating and stripping by electrolyte manipulation in low-volatility solvents for Ca metal batteries","authors":"Kohei Shibuya, Kazuaki Kisu, Arunkumar Dorai, Yukiya Shinoda, Takara Shinohara, Shin-ichi Orimo","doi":"10.1039/d5cc01242b","DOIUrl":"https://doi.org/10.1039/d5cc01242b","url":null,"abstract":"Efficient Ca plating/stripping and the development of low-volatility electrolytes remain key challenges for the broad-scale application of Ca metal batteries. In this study, we demonstrate that CaBr<small><sub>2</sub></small> addition modifies the electrolyte environment, enabling highly reversible Ca plating/stripping in electrolytes based on low-volatility diglyme as a solvent previously considered nonfunctional.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"18 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144097449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dual-nickel/photoredox-catalyzed acylation of spiro-dihydroquinazolinones with carboxylic acids via an aromatization-driven deconstructive strategy. 通过芳构化驱动的解构策略，双镍/光氧化还原催化螺-二氢喹唑啉酮与羧酸的酰化。
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-05-19 DOI: 10.1039/d5cc01289a
Wen-Chao Gao, Yong Teng, Jie Yang, Wen-Dian Li, Wen-Guang Li, Ke-Xin Huang, Ting Li
{"title":"Dual-nickel/photoredox-catalyzed acylation of spiro-dihydroquinazolinones with carboxylic acids <i>via</i> an aromatization-driven deconstructive strategy.","authors":"Wen-Chao Gao, Yong Teng, Jie Yang, Wen-Dian Li, Wen-Guang Li, Ke-Xin Huang, Ting Li","doi":"10.1039/d5cc01289a","DOIUrl":"https://doi.org/10.1039/d5cc01289a","url":null,"abstract":"<p><p>Dual-nickel/photoredox-catalyzed aromatization-mediated deconstruction and acylation of spiro-dihydroquinazolinones with carboxylic acids serving as acyl electrophiles is described. A series of synthetical ketone scaffolds with functional group tolerance could be obtained under mild conditions. A radical pathway involving an N-centered radical inducing β-scission to form a C-centered radical is proposed for these transformations.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of organic ligands in iron-based metal-organic frameworks on oxygen evolution electrocatalysis: conventional inorganic solids vs. organic-inorganic hybrid materials. 铁基金属-有机骨架中有机配体对析氧电催化的影响：常规无机固体与有机-无机杂化材料。
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-05-19 DOI: 10.1039/d5cc00934k
Yuuki Sugawara,Kanta Magofuku,Takeo Yamaguchi
{"title":"Effect of organic ligands in iron-based metal-organic frameworks on oxygen evolution electrocatalysis: conventional inorganic solids vs. organic-inorganic hybrid materials.","authors":"Yuuki Sugawara,Kanta Magofuku,Takeo Yamaguchi","doi":"10.1039/d5cc00934k","DOIUrl":"https://doi.org/10.1039/d5cc00934k","url":null,"abstract":"We investigate the effect of organic ligands in iron-based metal-organic frameworks (MOFs) on the oxygen evolution reaction (OER) electrocatalysis. The OER activities of the iron-based MOFs are considerably higher than those of conventional inorganic iron oxides, as the organic ligands favorably modify the former's electronic orbitals for the OER.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"30 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144087696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Boosting the hydrogen evolution reaction catalytic activity of Pt/C via well-designed anion-exchange ionomers. 通过精心设计的阴离子交换离聚体提高Pt/C析氢反应的催化活性。
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-05-19 DOI: 10.1039/d5cc01899d
Fang Xian, Kenji Miyatake, Lin Guo, Guoyu Shi, Fanghua Liu, Ahmed Mohamed Ahmed Mahmoud, Vikrant Yadav, Chun Yik Wong
{"title":"Boosting the hydrogen evolution reaction catalytic activity of Pt/C <i>via</i> well-designed anion-exchange ionomers.","authors":"Fang Xian, Kenji Miyatake, Lin Guo, Guoyu Shi, Fanghua Liu, Ahmed Mohamed Ahmed Mahmoud, Vikrant Yadav, Chun Yik Wong","doi":"10.1039/d5cc01899d","DOIUrl":"https://doi.org/10.1039/d5cc01899d","url":null,"abstract":"<p><p>Ionomer binders are highly important for maximizing the performance of nanoparticle catalysts, yet their development has received limited attention. In this study, novel fluorine-free anion-exchange copolymer and terpolymer-based ionomers containing cyclic and rigid structures were designed to enhance ion conductivity and free volume, thereby promoting rapid mass transport and improved reaction kinetics for the alkaline HER.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrochemiluminescence analysis of glucose in single living cells using enzyme-modified micropipettes. 酶修饰微移液管对单个活细胞中葡萄糖的电化学发光分析。
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-05-19 DOI: 10.1039/d5cc01814e
Xiaofan He, Qian Zhou, Dechen Jiang, Danjun Fang
{"title":"Electrochemiluminescence analysis of glucose in single living cells using enzyme-modified micropipettes.","authors":"Xiaofan He, Qian Zhou, Dechen Jiang, Danjun Fang","doi":"10.1039/d5cc01814e","DOIUrl":"https://doi.org/10.1039/d5cc01814e","url":null,"abstract":"<p><p>Here, we describe a preparation of enzyme-modified micropipettes achieved by immobilizing layers of glucose oxidase and luminophore at microcapillaries for electrochemiluminescence (ECL) detection of glucose inside single cells. Based on the recorded ECL intensities, the fluctuation in intracellular glucose levels under different cellular states is traced at the single-cell level. As the ECL measurement avoids the non-faradaic interference from the electrode region outside the cell, the electrode preparation becomes simple, a feature that should advance single-cell electroanalysis.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Constructing nanoneedle arrays of heterostructured RuO2-Co3O4 with tip-effect-induced enrichment of reactants for enhanced water oxidation. 构建异质结构RuO2-Co3O4纳米针阵列，尖端效应诱导反应物富集以增强水氧化。
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-05-19 DOI: 10.1039/d5cc01933h
Xu Zhang, Junnan Song, Tongming Sun, Minmin Wang, Jinli Zhu, Yang Yu, Jiacheng Wang
{"title":"Constructing nanoneedle arrays of heterostructured RuO<sub>2</sub>-Co<sub>3</sub>O<sub>4</sub> with tip-effect-induced enrichment of reactants for enhanced water oxidation.","authors":"Xu Zhang, Junnan Song, Tongming Sun, Minmin Wang, Jinli Zhu, Yang Yu, Jiacheng Wang","doi":"10.1039/d5cc01933h","DOIUrl":"https://doi.org/10.1039/d5cc01933h","url":null,"abstract":"<p><p>Nanoneedle arrays of heterostructured RuO<sub>2</sub>-Co<sub>3</sub>O<sub>4</sub> electrocatalysts were constructed, showing improved water oxidation activity and durable stability. The synergy of tip-effect-induced OH<sup>-</sup> enrichment, superior hydrophilicity, and heterojunction-enhanced electron transfer promotes water oxidation activity.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Construction of polymethine chain-modified pentamethylene cyanine dyes for G-quadruplex imaging in live cells. 活细胞g -四重体成像用聚甲基链修饰五亚甲基菁染料的构建。
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-05-19 DOI: 10.1039/d5cc00436e
Li Guan, Jun Li, Yanyan Zhou, Anyang Li, Lili Yin, Wenhui Guan, Yile Fu
{"title":"Construction of polymethine chain-modified pentamethylene cyanine dyes for G-quadruplex imaging in live cells.","authors":"Li Guan, Jun Li, Yanyan Zhou, Anyang Li, Lili Yin, Wenhui Guan, Yile Fu","doi":"10.1039/d5cc00436e","DOIUrl":"https://doi.org/10.1039/d5cc00436e","url":null,"abstract":"<p><p>Here, a supramolecular strategy that relies on the G-quadruplex DNA recognition-driven disaggregation of pentamethylene cyanine Cy5-ph-H aggregates is outlined, which can turn on its fluorescence and be used to visualize G-quadruplex DNA in living cells and highly target mitochondria.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144092198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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