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Palladium/norbornene cooperative catalysis triple functionalization: carbamoylation/double-annulation of (hetero)aryl iodides 钯/降冰片烯协同催化三功能化：杂芳基碘化物的氨基酰化/双环化
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-11 DOI: 10.1039/d5cc00294j
Yi-Xin Chai, Yu-Fan Yang, Feng-Yu Zhang, Ji-Yan Zhao, Ya-Ting Wang, Yanmei Chen, Yuan-Yuan Sun, Jin-Heng Li, Yan-Ping Zhu
{"title":"Palladium/norbornene cooperative catalysis triple functionalization: carbamoylation/double-annulation of (hetero)aryl iodides","authors":"Yi-Xin Chai, Yu-Fan Yang, Feng-Yu Zhang, Ji-Yan Zhao, Ya-Ting Wang, Yanmei Chen, Yuan-Yuan Sun, Jin-Heng Li, Yan-Ping Zhu","doi":"10.1039/d5cc00294j","DOIUrl":"https://doi.org/10.1039/d5cc00294j","url":null,"abstract":"A novel Pd/NBE-catalyzed intermolecular dehydrobicyclization of heteroaryl iodides for the synthesis of polycyclic nitrogen-containing heterocycles is reported. In this work, the N-protected aryl carbamoyl chloride serves as a source of acylation. The products resulting from the direct C–H functionalization of heteroaryl iodides are smoothly obtained without catalyst poisoning by heteroatom.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"108 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143819790","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
Is trace-level aluminum in zeolite matrix catalytically inert? A case study of alcohol dehydration in dealuminated beta zeolite† 沸石基质中痕量铝是否具有催化惰性？脱铝沸石中酒精脱水的实例研究
IF 4.3 2区 化学
Chemical Communications Pub Date : 2025-04-11 DOI: 10.1039/D4CC06712F
Haoxi Jiang, Jiahao Guan, Changdong Li, Lingtao Wang and Guochao Yang
{"title":"Is trace-level aluminum in zeolite matrix catalytically inert? A case study of alcohol dehydration in dealuminated beta zeolite†","authors":"Haoxi Jiang, Jiahao Guan, Changdong Li, Lingtao Wang and Guochao Yang","doi":"10.1039/D4CC06712F","DOIUrl":"10.1039/D4CC06712F","url":null,"abstract":"<p >We report an unanticipated catalytic performance for ethanol dehydration in dealuminated Beta zeolite with framework aluminum species at levels as low as 120 ppm. The residual aluminum species playeda dominant role, as proved by IPA-TPD, an <em>n</em>-butanol probe reaction, and DFT calculations.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" 37","pages":" 6819-6822"},"PeriodicalIF":4.3,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143819789","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
Edge-hosted Fe single-atomic sites fabricated by a Bi-assisted pyrolysis strategy for electroreduction of CO2 用双辅助热解策略制备的边载铁单原子位用于CO2的电还原
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d5cc01134e
Miaoling Liu, Chenghong Hu, Kui Shen, Liyu Chen, Yingwei Li
{"title":"Edge-hosted Fe single-atomic sites fabricated by a Bi-assisted pyrolysis strategy for electroreduction of CO2","authors":"Miaoling Liu, Chenghong Hu, Kui Shen, Liyu Chen, Yingwei Li","doi":"10.1039/d5cc01134e","DOIUrl":"https://doi.org/10.1039/d5cc01134e","url":null,"abstract":"We develop a Bi-assisted pyrolysis method to fabricate rich-edge N-doped carbon anchored with Fe active sites using Fe-doped Bi-MOF as a precursor. During pyrolysis, Bi aggregation forms edge-rich nanobelts, while the subsequent Bi evaporation generates mesopores, increasing edge-hosted Fe site density. The resulting catalyst exhibits superior intrinsic activity and selectivity for CO2-to-CO, outperforming in-plane Fe single sites.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"183 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813542","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
Mineralization of macroaggregated albumin for accurate biodistribution evaluation of pre-radiotherapy 大聚集白蛋白矿化对放疗前生物分布的准确评价
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d5cc01204j
Xiaomin Gao, Mingru Zhang, Danlan Fang, Yuan Yu, Shaolong Qi, Xinyang Yu, Meiqi Cheng, Shoujun Zhu, Fei Kang, Kuikun Yang, Guocan Yu
{"title":"Mineralization of macroaggregated albumin for accurate biodistribution evaluation of pre-radiotherapy","authors":"Xiaomin Gao, Mingru Zhang, Danlan Fang, Yuan Yu, Shaolong Qi, Xinyang Yu, Meiqi Cheng, Shoujun Zhu, Fei Kang, Kuikun Yang, Guocan Yu","doi":"10.1039/d5cc01204j","DOIUrl":"https://doi.org/10.1039/d5cc01204j","url":null,"abstract":"Conventional macroaggregated albumin (MAA) often fails to accurately simulate the biodistribution of 90Y microspheres in hepatic artery perfusion scintigraphy due to density mismatch. By mineralizing MAA, we developed lightly mineralized MAA (L-MAA) and highly mineralized MAA (H-MAA) with controlled densities, which enable a more accurate simulation of the biodistribution of resin and glass microspheres.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"108 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813576","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
Rhodium(III)-catalyzed directed C-H naphthylation of aryl esters with 7-oxabenzonorbornadienes 铑(III)催化的芳基酯与 7-氧杂苯并降冰片二烯的定向 C-H 萘基化反应
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d5cc00692a
Narasingan Aravindan, Masilamani Jeganmohan
{"title":"Rhodium(III)-catalyzed directed C-H naphthylation of aryl esters with 7-oxabenzonorbornadienes","authors":"Narasingan Aravindan, Masilamani Jeganmohan","doi":"10.1039/d5cc00692a","DOIUrl":"https://doi.org/10.1039/d5cc00692a","url":null,"abstract":"A regioselective rhodium(III)-catalyzed C-H bond naphthylation of weak-coordinating aryl esters with bicyclic olefin compounds has been demonstrated. This present protocol is well compatible with a variety of aryl esters as well as bicyclic olefins. The methodology produced highly valuable ester-functionalized 2-naphthylated products in good to excellent yields. A feasible reaction mechanism involving directing group assisted C–H activation was proposed and supported by competitive experiments and deuterium labelling studies.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"36 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813837","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
Thiocyanate: A Visible Light Driven Traceless Auxiliary for Stereoselective Cyclopropyl Ketone Construction 硫氰酸盐：一种立体选择环丙基酮结构的可见光驱动无迹助剂
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d5cc01495f
Soumitra Maity, Subhashis Mondal, Shyamal Pramanik
{"title":"Thiocyanate: A Visible Light Driven Traceless Auxiliary for Stereoselective Cyclopropyl Ketone Construction","authors":"Soumitra Maity, Subhashis Mondal, Shyamal Pramanik","doi":"10.1039/d5cc01495f","DOIUrl":"https://doi.org/10.1039/d5cc01495f","url":null,"abstract":"An operationally simple method for the diastereoselective construction of cyclopropyl ketones from olefins is hereby described. The pseudohalide -SCN is used as a traceless auxiliary towards assuaging the elimination problem posed by halide intermediates, leading to the successful incorporation of single electron withdrawing group substituted radical progenitors in the cyclopropanation manifold.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"16 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813838","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
Rapid degradation of microplastics by catalyst-free gliding arc plasmatron† 无催化剂滑动电弧等离子体快速降解微塑料
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d4cc06786j
Chuanqi Shi, Yanhui Long, Yunqing Zhou, Feng Shi, Zhenzhen Wu, Hualiang Li, Kaiyi Wang, Zijiang Zhao, Qunxing Huang, Xiaodong Li, Hao Zhang
{"title":"Rapid degradation of microplastics by catalyst-free gliding arc plasmatron†","authors":"Chuanqi Shi, Yanhui Long, Yunqing Zhou, Feng Shi, Zhenzhen Wu, Hualiang Li, Kaiyi Wang, Zijiang Zhao, Qunxing Huang, Xiaodong Li, Hao Zhang","doi":"10.1039/d4cc06786j","DOIUrl":"https://doi.org/10.1039/d4cc06786j","url":null,"abstract":"A gliding arc plasmatron (GAP) was proposed for efficient degradation of mixed microplastics (MPs) under simplified and adaptable conditions. Complete degradation of MPs can be achieved within 2–4 minutes, with non-hazardous CO₂ as nearly the only gas product. The catalyst-free GAP system, with its simplicity and compatibility with distributed renewable energy supply, offers a sustainable solution for MPs treatment.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"14 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813840","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
A Facile One-Pot Recipe for Topological Insulator Bi2Se3 and Thermoelectric Properties 拓扑绝缘体Bi2Se3的简易一锅配方及其热电性能
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d5cc01314c
Anil Kumar BM, Rittika Dhar, Shuva Biswas, Satya Narayan Guin
{"title":"A Facile One-Pot Recipe for Topological Insulator Bi2Se3 and Thermoelectric Properties","authors":"Anil Kumar BM, Rittika Dhar, Shuva Biswas, Satya Narayan Guin","doi":"10.1039/d5cc01314c","DOIUrl":"https://doi.org/10.1039/d5cc01314c","url":null,"abstract":"Topological materials from heavy p-block metal chalcogenides having layered structures and anisotropic bonding are of immense importance for thermoelectrics. Synthesis of such materials with simple chemical routes is of high significance. Here, we present a low-temperature, facile, one-pot, and cost-effective synthesis of topological insulator Bi2Se3 nanosheets. The material demonstrates excellent electrical transport and low thermal conductivity, leading to a peak thermoelectric figure of merit (ZT) of ⁓0.41 at 480 K. Additionally, the synthesis of Bi2S3 nanoparticles under ambient conditions suggests the versatility of the method.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"37 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813833","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
Supramolecular artificial light-harvesting systems incorporating aggregation-induced emissive components: from fabrication to efficient energy conversion 包含聚集诱导发射组件的超分子人工光收集系统：从制造到有效的能量转换
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d4cc06816e
Rongbo Zhang, Yutong Xie, Xuyang Li, Kaiya Wang, Xiao-Yu Hu
{"title":"Supramolecular artificial light-harvesting systems incorporating aggregation-induced emissive components: from fabrication to efficient energy conversion","authors":"Rongbo Zhang, Yutong Xie, Xuyang Li, Kaiya Wang, Xiao-Yu Hu","doi":"10.1039/d4cc06816e","DOIUrl":"https://doi.org/10.1039/d4cc06816e","url":null,"abstract":"The harvesting and utilization of light energy has increasingly captivated researchers. The construction of artificial light harvesting systems (ALHSs) through supramolecular assemblies has emerged as a prominent approach. Following the discovery of the aggregation-induced emission (AIE) phenomenon, AIE luminogens (AIEgens) have been extensively employed to develop ALHSs, in which these molecules are assembled into nanoparticles or nanoaggregates to enhance energy transfer efficiency. In this review, we summarize recent research advances in supramolecular ALHSs based on AIEgens, including some representative examples reported by our research group and others. In particular, different design strategies for ALHSs formed by self-assembly of host-guest complexes and other building blocks such as macrocyclic and amphiphilic molecules, are discussed over the past three years. For host-guest complexes with AIE activity, we analyze the design principles of AIE-active hosts or guests, and how their self-assembly influences the efficiency of ALHSs. For AIE-active macrocycles or amphiphiles that do not form host-guest complexes, we discuss how they can independently self-assemble into ALHSs. Finally, future research directions for the utilization of AIEgens in the development of ALHSs are discussed.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"17 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143813842","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
Metal cations switch geometry of β-cyclodextrin complexes β-环糊精配合物的金属阳离子开关几何结构
IF 4.9 2区 化学
Chemical Communications Pub Date : 2025-04-10 DOI: 10.1039/d5cc00868a
Václav Kolařík, Adam Knirsch, Zdeňka Prucková, Petr Janovský, Michal Rouchal, Kari Rissanen, Robert Vícha, Aneta Hromádková, Jas S Ward
{"title":"Metal cations switch geometry of β-cyclodextrin complexes","authors":"Václav Kolařík, Adam Knirsch, Zdeňka Prucková, Petr Janovský, Michal Rouchal, Kari Rissanen, Robert Vícha, Aneta Hromádková, Jas S Ward","doi":"10.1039/d5cc00868a","DOIUrl":"https://doi.org/10.1039/d5cc00868a","url":null,"abstract":"Cationic guests with an adamantylphenyl moiety can form two distinct arrangements with the conical β-cyclodextrin macrocycle. Different metal cations were found to promote the formation of one of the two possible forms, depending on their van der Waals radii. Bulkier ions prefer the wider secondary rim of β-cyclodextrin, pushing the cationic part of the guest towards the narrower primary rim, and vice versa.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"60 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2025-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143819791","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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