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Convenient Lanthanum-Mediated Synthesis of Bulky tert-Alkyl Amines from Nitriles
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-13 DOI: 10.1039/d4cc05831c
Emily K. Burke, Alexander William Harrison Speed, Katherine Nancy Robertson
{"title":"Convenient Lanthanum-Mediated Synthesis of Bulky tert-Alkyl Amines from Nitriles","authors":"Emily K. Burke, Alexander William Harrison Speed, Katherine Nancy Robertson","doi":"10.1039/d4cc05831c","DOIUrl":"https://doi.org/10.1039/d4cc05831c","url":null,"abstract":"Tert-alkyl amines can be conveniently prepared in one step from nitriles by a double addition of ethyl or propyl Grignard reagents mediated by a commercially available lanthanum chloride-lithium chloride complex solution. The reaction operates on a variety of benzonitriles, with several heterocyclic nitriles and an alkyl nitrile also being suitable substrates.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"30 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142815511","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
Li-TFSI Free Carbazole-based Hole Transport Material Enable Highly Stable Perovskite Solar Cells
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-13 DOI: 10.1039/d4cc05034g
Yong Hua, Liangding Zheng, Yangmei Ou, shihuai Wang, Lin Xie
{"title":"Li-TFSI Free Carbazole-based Hole Transport Material Enable Highly Stable Perovskite Solar Cells","authors":"Yong Hua, Liangding Zheng, Yangmei Ou, shihuai Wang, Lin Xie","doi":"10.1039/d4cc05034g","DOIUrl":"https://doi.org/10.1039/d4cc05034g","url":null,"abstract":"It is crucial to fabricate highly stable perovskite solar cells for further commercialization. Herein, a novel cationic salt OY(TFSI)2 as an effective p-dopant to replace Li-TFSI is synthesized and introduced into hole transport layer to improve long-term stability of device.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"121 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142815513","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
Unleashing the Potential of Rare Earth Ions in Modified Calcium Titanate for Strategic Anti-Counterfeiting Application
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-13 DOI: 10.1039/d4cc05643d
P Vanishree, G SWATI
{"title":"Unleashing the Potential of Rare Earth Ions in Modified Calcium Titanate for Strategic Anti-Counterfeiting Application","authors":"P Vanishree, G SWATI","doi":"10.1039/d4cc05643d","DOIUrl":"https://doi.org/10.1039/d4cc05643d","url":null,"abstract":"Technological advancements have intensified the demand for effective counterfeiting protection. This work presents a multi-level security features in (Ca,Zn)TiO3:Pr3+,Er3+ phosphor. Dual doping strategy synergistically results into dynamically changing luminescence emission. Upon 379 nm excitation, sample exhibits a yellowish green emission and exhibit deep red persistent emission for 12 minutes.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"41 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142815508","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
Surface lattice oxygen-promoted ZnO catalyst for ethanol nonoxidative dehydrogenation
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-13 DOI: 10.1039/d4cc05893c
Zheng Zhang, Mingming Hou, Tao Gan, Wenjuan Zhang, Gang Liu
{"title":"Surface lattice oxygen-promoted ZnO catalyst for ethanol nonoxidative dehydrogenation","authors":"Zheng Zhang, Mingming Hou, Tao Gan, Wenjuan Zhang, Gang Liu","doi":"10.1039/d4cc05893c","DOIUrl":"https://doi.org/10.1039/d4cc05893c","url":null,"abstract":"The surface lattice oxygen of ZnO was demonstrated to be critical for the nonoxidative dehydrogenation of ethanol, which combine with surface-exposed Zn to effectively produce acetaldehyde and the energy molecule hydrogen.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"21 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142815514","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
N-Heterocycle-coordinated λ5-iodanes as IBX alternatives for alcohol oxidations.
IF 4.3 2区 化学
Chemical Communications Pub Date : 2024-12-12 DOI: 10.1039/d4cc05058d
Nikita S Antonkin, Yulia A Vlasenko, Pim Puylaert, Boris J Nachtsheim, Pavel S Postnikov
{"title":"N-Heterocycle-coordinated <i>λ</i><sup>5</sup>-iodanes as IBX alternatives for alcohol oxidations.","authors":"Nikita S Antonkin, Yulia A Vlasenko, Pim Puylaert, Boris J Nachtsheim, Pavel S Postnikov","doi":"10.1039/d4cc05058d","DOIUrl":"https://doi.org/10.1039/d4cc05058d","url":null,"abstract":"<p><p>We report the synthesis of novel N-coordinated <i>λ</i><sup>5</sup>-iodanes as a unique class of hypervalent iodine compounds. X-ray diffraction analysis revealed their intriguing (pseudo)cyclic structure, showcasing distinctive N⋯I-secondary bonding interactions. We demonstrate the <i>in situ</i> generation of reactive diacetoxy derivatives, which exhibits remarkable efficacy in alcohol oxidation reactions. Thermal stability assessments using TGA/DSC analysis provide crucial insights into the handling and potential applications of these compounds. This work expands the frontier of hypervalent iodine chemistry, offering new tools for selective oxidation reactions.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142811467","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
Cerium(III) yldiide complexes with divergent CO reactivity
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-12 DOI: 10.1039/d4cc04562a
Alexander J. Gremillion, Hemant Kumar, Iker Del Rosal, Steven P. Kelley, Laurent Maron, Viktoria H. Gessner, Justin R. Walensky
{"title":"Cerium(III) yldiide complexes with divergent CO reactivity","authors":"Alexander J. Gremillion, Hemant Kumar, Iker Del Rosal, Steven P. Kelley, Laurent Maron, Viktoria H. Gessner, Justin R. Walensky","doi":"10.1039/d4cc04562a","DOIUrl":"https://doi.org/10.1039/d4cc04562a","url":null,"abstract":"Synthesis of cerium yldiide complexes and their reactivity with CO is demonstrated. In the case of the sulphur-tethered yldiide, the ketenyl complex is formed with release of PPh<small><sub>3</sub></small>, while Ph<small><sub>3</sub></small>PCCO is formed along with a sulfinato ligand in the case of the tosyl-substituted yldiide. Computational analysis shows that this diverging reactivity is due to the stability of the two isomers in the first step of each mechanism.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"24 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142809619","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
N skeleton-regulated cobalt phthalocyanine promotes polysulfides adsorption and redox kinetics
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-12 DOI: 10.1039/d4cc05742b
Jiaqi Zhao, Zhanwei Xu, yujiao Zhang, Kai Yao, Liang Li, Hang Niu, Jiayin Li, Zhi Li
{"title":"N skeleton-regulated cobalt phthalocyanine promotes polysulfides adsorption and redox kinetics","authors":"Jiaqi Zhao, Zhanwei Xu, yujiao Zhang, Kai Yao, Liang Li, Hang Niu, Jiayin Li, Zhi Li","doi":"10.1039/d4cc05742b","DOIUrl":"https://doi.org/10.1039/d4cc05742b","url":null,"abstract":"The N skeleton substituent on cobalt phthalocyanine (CoPc) was meticulously studied to redistribute the charge in phthalocyanine, improve the mass diffusion, and promote the redox kinetics of polysulfides (LiPS), resulting in a significant ultra-low capacity decay of 0.11% at 5C over 500 cycles.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"13 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142809237","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
Synergistic photocatalysis enables aerobic oxo-hydrazination of α-diazoacetates with azobenzenes
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-12 DOI: 10.1039/d4cc05668j
Jingya Yang, Shengyu Wang, Yating Han, Qi Dong, Wantong Ma, Hongyan Zhou
{"title":"Synergistic photocatalysis enables aerobic oxo-hydrazination of α-diazoacetates with azobenzenes","authors":"Jingya Yang, Shengyu Wang, Yating Han, Qi Dong, Wantong Ma, Hongyan Zhou","doi":"10.1039/d4cc05668j","DOIUrl":"https://doi.org/10.1039/d4cc05668j","url":null,"abstract":"A photocatalytic oxo-hydrazination of α-diazoacetates with azobenzenes has been developed. With air as oxygen source, the reaction proceeded smoothly and afforded previously unknown <em>N</em>,<em>N</em>'-diarylhydrazino-containing oxoacetates. Mechanistically, the reaction is enabled by cooperation of photoredox catalysis, energy transfer photocatalysis and direct photoexcitation.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"22 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142809311","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
Green-Light-Induced selective hydroselenation of olefins with diselenides
IF 4.9 2区 化学
Chemical Communications Pub Date : 2024-12-12 DOI: 10.1039/d4cc06141a
Fan Li, Hao-Cheng Zhao, Huayue Wu, Miaochang Liu, Yun-Bing Zhou
{"title":"Green-Light-Induced selective hydroselenation of olefins with diselenides","authors":"Fan Li, Hao-Cheng Zhao, Huayue Wu, Miaochang Liu, Yun-Bing Zhou","doi":"10.1039/d4cc06141a","DOIUrl":"https://doi.org/10.1039/d4cc06141a","url":null,"abstract":"A selective green-light-induced hydroselenation of alkenes with diselenides using Hantzsch ester as the hydrogen donor has been developed. In the case of electron-neutral diaryl diselenides and diacyl ones, alkenes undergo anti-Markovnikov-selective hydroselenation. When switching to electron-deficient diaryl diselenides and dialkyl ones, Markovnikov-selective hydroselenation occurs.","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":"38 1","pages":""},"PeriodicalIF":4.9,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142809356","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
Molten salt-assisted synthesis of boron-doped carbon nitride for photocatalytic hydrogen evolution.
IF 4.3 2区 化学
Chemical Communications Pub Date : 2024-12-12 DOI: 10.1039/d4cc05391e
Xingzhou Li, Yongkang Quan, Rongxing Chen, Guorong Wang, Yingzhen Zhang, Jianying Huang, Yuekun Lai
{"title":"Molten salt-assisted synthesis of boron-doped carbon nitride for photocatalytic hydrogen evolution.","authors":"Xingzhou Li, Yongkang Quan, Rongxing Chen, Guorong Wang, Yingzhen Zhang, Jianying Huang, Yuekun Lai","doi":"10.1039/d4cc05391e","DOIUrl":"https://doi.org/10.1039/d4cc05391e","url":null,"abstract":"<p><p>In this work, B and K were introduced into the heptazine structure of carbon nitride to synthesize the catalyst kalium-boron doped carbon nitride (KBCN) with a larger light absorption range and improved photogenerated carrier separation rate. Boron atoms are introduced into the carbon nitride heptazine units to optimize the electronic structure within the carbon nitride planes, and the B-N bonds formed by the heptazine units facilitate charge transfer. Potassium atoms are introduced into the carbon nitride interlayer as charge transfer channels to synergistically promote the transfer of photogenerated electrons. This work provides a potential idea for the doping of metallic and nonmetallic elements to jointly promote the charge distribution and transfer of carbon nitride.</p>","PeriodicalId":67,"journal":{"name":"Chemical Communications","volume":" ","pages":""},"PeriodicalIF":4.3,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142811461","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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