Organic Chemistry Frontiers最新文献_第7页

N-Heterocyclic nitrenium-catalyzed photoreductive radical polar crossover of two distinct alkenes n -杂环氮催化两种不同烯烃的光还原自由基极性交叉

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00798h

Kun-Quan Chen,Jia-Qi Zhang,Qiang Liu,You-Feng Han,Xiang-Yu Chen

引用次数: 0

A feasible acceptor–donor–donor′–donor–acceptor (A–D–D′–D–A) type hybridized local and charge-transfer emitter for efficient deep-blue electroluminescence 一种可行的受体-供体-供体‘ -供体-受体（A - d - d ’ -D-A）型杂化局部和电荷转移发射器，用于高效的深蓝电致发光

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00432f

Rui Zhang,Ling Peng,Haoyuan Qi,Hao Huang,Shengnan Wang,Yuchao Liu,Junjie Wang,Shian Ying,Shouke Yan

{"title":"A feasible acceptor–donor–donor′–donor–acceptor (A–D–D′–D–A) type hybridized local and charge-transfer emitter for efficient deep-blue electroluminescence","authors":"Rui Zhang,Ling Peng,Haoyuan Qi,Hao Huang,Shengnan Wang,Yuchao Liu,Junjie Wang,Shian Ying,Shouke Yan","doi":"10.1039/d6qo00432f","DOIUrl":"https://doi.org/10.1039/d6qo00432f","url":null,"abstract":"The pursuit of high-performance deep-blue materials is vitally important for high-definition and ultra-high-definition organic light-emitting diode (OLED) displays, due to the limited molecular catalogue. Here, we introduced a feasible acceptor–donor–donor′–donor–acceptor (A–D–D′–D–A) architecture to engineer effective and stable deep-blue hybridized local and charge-transfer emitter TPA-DCNC3, by employing cyanobenzene as the acceptor, propyl-substituted carbazole as the primary donor, and triphenylamine as the secondary donor, respectively. Compared to the acceptor–donor–donor′ type reference molecule TPA-CNC3, the twin-type TPA-DCNC3 not only maintains deep-blue emission with high fluorescence efficiency but also demonstrates superior thermal stability, with a decomposition temperature of 496 °C and a glass transition temperature of 183.3 °C. Compared to the TPA-CNC3-based device with an external quantum efficiency (EQE) of 5.05%, the resulting device based on TPA-DCNC3 achieves a higher EQE of 5.78% with the color coordinates of (0.160, 0.054), due to the multiple high-lying reverse intersystem crossing channels. This study highlights the promising potential of the A–D–D′–D–A molecular architecture for developing efficient deep-blue emitters for OLED applications.","PeriodicalId":97,"journal":{"name":"Organic Chemistry Frontiers","volume":"59 1","pages":""},"PeriodicalIF":5.4,"publicationDate":"2026-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148973560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Self-assembled hydrazone-derived macrocycles show cucurbit[8]uril-assisted tunable excimer-like emission 自组装的腙衍生的大环显示出瓜状[8]嘧啶辅助的可调谐准分子样发射

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00793g

Natalia Fernández-Labandeira,Patricia Remón,Raúl Castellano,María Touriño-Pardo,Marcos D. García,Uwe Pischel,Arturo Blanco-Gómez,Carlos Peinador

{"title":"Self-assembled hydrazone-derived macrocycles show cucurbit[8]uril-assisted tunable excimer-like emission","authors":"Natalia Fernández-Labandeira,Patricia Remón,Raúl Castellano,María Touriño-Pardo,Marcos D. García,Uwe Pischel,Arturo Blanco-Gómez,Carlos Peinador","doi":"10.1039/d6qo00793g","DOIUrl":"https://doi.org/10.1039/d6qo00793g","url":null,"abstract":"Enforced chromophore proximity provides a powerful molecular design principle to reshape excited-state interactions and tune emission. In this work, we report the optical properties of two self-assembled cyclophanes in which the interplanar distance between the longitudinal bispyridinium chromophores is sufficiently short to promote intramolecular interactions. Both cyclophanes were efficiently synthesized through acid-catalyzed hydrazone condensation in water without the need for a templating effect, highlighting their high preorganization for cyclization. Photophysical studies in acetonitrile revealed clear excited-state interchromophoric interactions in both systems. The cyclophane containing the more conjugated bispyridinium unit (o-REx4+) displayed a pronounced red-shifted emission (91 nm) and a nearly ninefold increase in emission efficiency relative to its monomeric counterpart. In contrast, chromophoric interaction in the less conjugated cyclophane (o-R4+) induced fluorescence of an otherwise non-emissive bispyridinium chromophore. The emissions are strongly quenched in water, however, complexation with cucurbit[8]uril (CB[8]) restores the fluorescence of both cyclophanes through the formation of stable ring-in-ring host–guest complexes. These results highlight an efficient synthetic approach to highly preorganized cyclophanes and demonstrate how solvent effects and CB[8] complexation can be exploited to modulate and recover the fluorescence of intramolecular chromophore dimers.","PeriodicalId":97,"journal":{"name":"Organic Chemistry Frontiers","volume":"144 1","pages":""},"PeriodicalIF":5.4,"publicationDate":"2026-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148973539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Chiral construction based on the Povarov reaction: asymmetric synthesis of diverse chiral molecules and chiral COF materials 基于Povarov反应的手性构建：多种手性分子和手性COF材料的不对称合成

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00787b

Zhi-Yuan Wang,Chuan-Jun Lu,Ren-Rong Liu

{"title":"Chiral construction based on the Povarov reaction: asymmetric synthesis of diverse chiral molecules and chiral COF materials","authors":"Zhi-Yuan Wang,Chuan-Jun Lu,Ren-Rong Liu","doi":"10.1039/d6qo00787b","DOIUrl":"https://doi.org/10.1039/d6qo00787b","url":null,"abstract":"Chiral synthesis is a core frontier of modern organic chemistry, and the enantioselective construction of non-central chiral skeletons (axial, helical, planar, inherent chirality) remains a key synthetic challenge. As a classic inverse-electron-demand aza-Diels–Alder reaction, the Povarov reaction has evolved from a tool for tetrahydroquinoline synthesis to a versatile platform for diverse chiral molecule construction, while existing reviews lack a systematic summary of its applications in non-central chirality and chiral functional materials. This paper systematically reviews the research progress of the asymmetric Povarov reaction in the synthesis of central, helical, axial, planar and inherently chiral molecules as well as chiral covalent organic frameworks (COFs), focusing on the reaction strategies mediated by catalytic systems such as chiral phosphoric acids and chiral metal phosphates, including core mechanisms like chiral center construction, central-to-axial/helical chirality conversion and desymmetrization. Endowed with advantages such as broad substrate universality, excellent stereoselectivity and mild reaction conditions, this reaction has successfully synthesized structurally diverse chiral compounds with high enantiomeric purity, exhibiting important application value in drug research and development, chiral catalysis, functional materials and other fields. Meanwhile, the reaction still faces bottlenecks including limited compatibility with highly sterically hindered substrates, insufficient universality of catalytic systems, and low industrial translation potential. Finally, the current challenges of this reaction are analyzed, and its development prospects in the design of novel chiral catalysts, total synthesis of natural products and development of functional materials are prospected.","PeriodicalId":97,"journal":{"name":"Organic Chemistry Frontiers","volume":"40 1","pages":""},"PeriodicalIF":5.4,"publicationDate":"2026-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148973555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 dearomative azidation/click cascade reaction of β-naphthol-based phenylalkynes 铜催化β-萘酚基苯炔的脱芳叠氮/咔嗒级联反应

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00873a

Tong-Shuo Xu,Yi-Ze Bai,Yang-Bo Bi,Jin-De Li,Jing Cao,Zhu Cao,Qing-Hai Deng

引用次数: 0

Kinetic resolution of cyclic racemic ketones through chiral phosphoric acid-catalyzed oxime ether formation 手性磷酸催化肟醚生成环外消旋酮的动力学拆分

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00699j

Yougen Xu,Meiling Chen,Yu Luo,Yuanhang Zhang,Shuang Luo,Qiang Zhu

引用次数: 0

Visible-light-induced, transition-metal-free and strong-base-free synthesis of arylboronic acids from arylsulfonium salts 以芳基磺酸盐为原料，在可见光诱导下无过渡金属和无强碱合成芳基硼酸

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00862c

Hai Li,Fei Li,Yi-You Zhou,Syed Anis Ali Shah,Wen-Jun Li,Yu-Xiao Ding,Weidong Rao,Shu-Su Shen,Gang Wang,Kai Liu,Shun-Yi Wang

{"title":"Visible-light-induced, transition-metal-free and strong-base-free synthesis of arylboronic acids from arylsulfonium salts","authors":"Hai Li,Fei Li,Yi-You Zhou,Syed Anis Ali Shah,Wen-Jun Li,Yu-Xiao Ding,Weidong Rao,Shu-Su Shen,Gang Wang,Kai Liu,Shun-Yi Wang","doi":"10.1039/d6qo00862c","DOIUrl":"https://doi.org/10.1039/d6qo00862c","url":null,"abstract":"Arylboronic acids are highly valuable structural motifs in synthetic chemistry, medicinal chemistry, materials science, and biomedical applications. However, conventional approaches to arylboronic acids often rely on transition-metal catalysts, prefunctionalized organometallic reagents, or strongly basic conditions, which may limit functional-group tolerance and raise concerns related to cost, metal residues, and environmental sustainability. Herein, we report a visible-light-induced, transition-metal-free and strong-base-free borylation of arylsulfonium salts with tetrahydroxydiboron for the direct preparation of arylboronic acids. This protocol proceeds under mild conditions at room temperature without an external photocatalyst or strong base, highlighting its operational simplicity and green-chemistry potential. A broad range of arylsulfonium salts, including halogenated arenes, biphenyl derivatives, aryl ethers, ester-containing substrates, and drug-derived molecules, are efficiently converted into the corresponding arylboronic acids. Preliminary mechanistic studies are consistent with the possible involvement of substrate interactions and radical species under light irradiation. The combination of visible-light activation, catalyst-free conditions, and broad functional-group compatibility makes this method an attractive platform for sustainable arylboronic acid synthesis and late-stage molecular diversification.","PeriodicalId":97,"journal":{"name":"Organic Chemistry Frontiers","volume":"382 1","pages":""},"PeriodicalIF":5.4,"publicationDate":"2026-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148973540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Visible light-induced C(sp)–N bond formation from diazonium tetrafluoroborates and secondary amines electron donor–acceptor complex formation 可见光诱导四氟硼酸重氮和仲胺形成C(sp) -N键，形成电子供体-受体复合物

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00858e

Aman Singh,Divya Singh,Pooja Kumari,Ankur Yadav,Prince Kumar,Sundaram Singh

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Enantioselective dearomative [3 + 2] cycloaddition to access chiral spiro hydrobenzofuranpyrrolidine–benzothiophenes 对映选择性脱芳[3 + 2]环加成获得手性螺氢苯并呋喃吡咯烷-苯并噻吩

IF 5.4 1区化学

Organic Chemistry Frontiers Pub Date : 2026-09-16 DOI: 10.1039/d6qo00814c

Min Zhang,Shun Zhou,You-Ping Tian,Rui-Rui Li,Xiong-Li Liu,Ying Zhou,Xiong-Wei Liu

引用次数: 0

Divergent diastereospecific synthesis of spiro β- and δ-phosphinolactam-indolinones with tunable annuloselectivity 具有可调环选择性的螺旋β-和δ-磷酸内酰胺-吲哚酮的发散非对映特异性合成