Chinese Chemical Letters最新文献_第10页

Adsorption, transformation, biodegradation and potential ecological toxicity of iron-based nanoparticles in the aqueous environment 铁基纳米颗粒在水环境中的吸附、转化、生物降解和潜在的生态毒性

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-07-16 DOI: 10.1016/j.cclet.2025.111600

Yang Gao , Xiaocheng Wei , Jing Sun , Shaohu Ouyang

{"title":"Adsorption, transformation, biodegradation and potential ecological toxicity of iron-based nanoparticles in the aqueous environment","authors":"Yang Gao , Xiaocheng Wei , Jing Sun , Shaohu Ouyang","doi":"10.1016/j.cclet.2025.111600","DOIUrl":"10.1016/j.cclet.2025.111600","url":null,"abstract":"<div><div>Iron-based nanoparticles (Fe-NPs) have wide environmental applications in various areas due to their excellent physicochemical properties, and these processes also increase their release into the water environment. However, the existing literature on environmental behavior fate (<em>e.g.</em>, sorption and transformation) and potential ecotoxicity of Fe-NPs remains limited, which is vital for understanding the Fe-NPs environmental behavior and application as a multifunctional product. In this review, the green synthesis, characterization, and environmental application of Fe-NPs are summarized. We systematically examined the impacts of Fe-NPs physicochemical properties on its adsorption, transformation (<em>e.g.</em>, aggregation dispersion, dissolution, oxidation), and biodegradation behavior in aqueous ecosystems. Moreover, we highlight the potential ecological toxicity of Fe-NPs to aquatic organisms. Upon exposure in water environments, Fe-NPs have potential ecological toxicity on aquatic organisms (<em>e.g.</em>, microorganisms, plants, zooplankton, and fish). The common mechanisms of Fe-NPs ecotoxicity (<em>e.g.</em>, bioaccumulation, oxidation stress, and DNA damage) at the cellular level are presented and the remaining unclear points on nano-toxic mechanisms (<em>e.g.</em>, metabolic disturbance, genotoxicity) are discussed. Given the unresolved issues, the substantial gaps and the environmental risk assessment of Fe-NPs require further attention in the future. This paper will provide useful information for assessing the fate and potential ecological risks associated with Fe-NPs in aquatic environments.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111600"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035420","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

Harnessing chirality: A new dawn in inorganic nanomaterial synthesis and biomedical applications 利用手性：无机纳米材料合成和生物医学应用的新曙光

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2024-12-23 DOI: 10.1016/j.cclet.2024.110791

Yue Pan , Jing Ren , Yifan Sun , Luying Lu , Jia Gao , Liping Chen , Shancheng Yan , Zhiyang Li

{"title":"Harnessing chirality: A new dawn in inorganic nanomaterial synthesis and biomedical applications","authors":"Yue Pan , Jing Ren , Yifan Sun , Luying Lu , Jia Gao , Liping Chen , Shancheng Yan , Zhiyang Li","doi":"10.1016/j.cclet.2024.110791","DOIUrl":"10.1016/j.cclet.2024.110791","url":null,"abstract":"<div><div>Chirality, a fundamental property of biological systems, is widely present at the molecular, cellular, and tissue levels. Current studies have shown that chiral inorganic nanomaterials, have good chiral optical activity as well as high enantioselectivity. When interacting with biological systems, the enantioselective behavior of chiral inorganic nanomaterials towards biomolecules can distinguish between different isomers of biomarkers, which, combined with the excellent optical activity of chiral inorganic nanomaterials, allows for the rapid and sensitive detection of biomarkers. Moreover, chiral inorganic nanomaterials exhibit stronger internalization and retention capabilities in cells, and by specifically targeting specific biomarkers can regulate cellular activity and catalyze related reactions, thereby achieving synergistic treatment of various diseases. In addition, chiral inorganic nanomaterials also have good biocompatibility and do not cause cell damage in living organisms. Moreover, chiral inorganic nanomaterials have programmable surfaces that can be tailored to suit specific biological functions. Due to the important role of chiral inorganic nanomaterials in the biomedical field, this paper summarizes and discusses the synthesis and biomedical applications of chiral inorganic nanomaterials. It further looks forward to its future development prospects to provide a reference for promoting relevant research on chiral inorganic nanomaterials in biomedical fields.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 110791"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035377","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

Achieving enhancing endosome escape of Tat47-57-derived stapled peptides through decafluorobiphenyl bridge 通过十氟联苯桥增强tat47 -57衍生的钉接肽的核内体逃逸

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-05-01 DOI: 10.1016/j.cclet.2025.111278

Shu Li , Yuanyuan Tang , Xiaojing Liu , Shibo Song , Baokang Zhu , Min Chang , Yali Peng

{"title":"Achieving enhancing endosome escape of Tat47-57-derived stapled peptides through decafluorobiphenyl bridge","authors":"Shu Li , Yuanyuan Tang , Xiaojing Liu , Shibo Song , Baokang Zhu , Min Chang , Yali Peng","doi":"10.1016/j.cclet.2025.111278","DOIUrl":"10.1016/j.cclet.2025.111278","url":null,"abstract":"<div><div>Cell-penetrating peptides (CPPs) hold great potential as a tool using non-invasive delivery of therapeutic or diagnostic molecules into mammalian cells, but their broad application has been limited by poor endosomal escape. Thus, the rational design and selection of CPPs remains a challenge and calls for deeper mechanistic understandings. Here, we developed novel stapled cell-penetrating peptides based on the highly positively charged HIV Tat47-57 peptide using decafluorobiphenyl-cysteine S<sub>N</sub>Ar chemistry which selectively disrupt endosomal membranes. A series of stapled peptides with a cross-linked structure were synthesized and investigated their cellular uptake, endosomal escape and intracellular delivery of cargoes. Among these peptides, analogues P3 and P6 demonstrated the highest cellular uptake and endosomal escape activities with efficiencies 3.5−9-fold higher than that of Tat47-57. Notably, the results demonstrated that the decafluorobiphenyl bridge of stapled peptides exhibited significant ability for cellular uptake and endosomal escape. Moreover, we found that fluorine atoms of decafluorobiphenyl bridge played a key role for disrupting endosomal membranes. Finally, the utility of this strategy has been demonstrated by the intracellular delivery of biomacromolecules (avidin and negatively charged phosphopeptides). Together, these results suggest that the decafluorobiphenyl-cysteine S<sub>N</sub>Ar chemistry may be an efficient strategy for the development of novel stapled CPPs.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111278"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035385","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

Facet engineering of NH2-MIL-125(Ti) for enhanced synergistic adsorption and photocatalysis reduction of U(VI) under visible light NH2-MIL-125（Ti）在可见光下增强协同吸附和光催化还原U（VI）的Facet工程

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2024-12-06 DOI: 10.1016/j.cclet.2024.110733

Wenting Li , Nina Wu , Chengze Li , Jin Guo , Guangxun Zhang , Huan Pang

{"title":"Facet engineering of NH2-MIL-125(Ti) for enhanced synergistic adsorption and photocatalysis reduction of U(VI) under visible light","authors":"Wenting Li , Nina Wu , Chengze Li , Jin Guo , Guangxun Zhang , Huan Pang","doi":"10.1016/j.cclet.2024.110733","DOIUrl":"10.1016/j.cclet.2024.110733","url":null,"abstract":"<div><div>Modulating the exposed facets of metal-organic frameworks (MOFs) is an effective strategy to enhance the synergistic effects between adsorption and photocatalytic reduction of U(VI). Herein, we successfully synthesized four morphologically distinct types of NH<sub>2</sub>-MIL-125(Ti), offering insights into the impact of facet engineering on the combined adsorption and photoreduction of U(VI). An elevated exposure ratio of the {001} facet endows NH<sub>2</sub>-MIL-125(Ti) with a larger surface area, enhanced light absorption, and efficient separation of photogenerated charge carriers. Among the four photocatalysts (W, D, S and T), T with a high proportion of {001} facets, demonstrated outstanding adsorption-photocatalytic synergy, achieving over 97 % of U(VI) within 20 min of visible light irradiation across a broad concentrations and pH range, without requiring a hole-trapping agent. The uranium extraction mechanism involves U(VI) coordination and chelation with active sites during adsorption, followed by reduction to U(IV) <em>via</em> photogenerated electrons during photocatalysis. This study highlights the use of facet engineering to enhance adsorption and photocatalytic efficiency in MOF-based photocatalysts.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 110733"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035469","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

Ferrate(VI) combined with sulfur(IV) as an effective process for aromatic organoarsenic degradation: Essential role of Fe(III) flocs 高铁酸盐（VI）与硫（IV）联合降解芳香族有机砷的有效过程：铁（III）絮凝体的重要作用

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-07-03 DOI: 10.1016/j.cclet.2025.111538

Chang Xu , Mengfan Luo , Jia Zhao , Jialong Yin , Can Feng , Heng Zhang , Peng Zhou , Zhaokun Xiong , Bo Lai

{"title":"Ferrate(VI) combined with sulfur(IV) as an effective process for aromatic organoarsenic degradation: Essential role of Fe(III) flocs","authors":"Chang Xu , Mengfan Luo , Jia Zhao , Jialong Yin , Can Feng , Heng Zhang , Peng Zhou , Zhaokun Xiong , Bo Lai","doi":"10.1016/j.cclet.2025.111538","DOIUrl":"10.1016/j.cclet.2025.111538","url":null,"abstract":"<div><div>This study employed the ferrate(VI)/sulfur(IV) (Fe(VI)/S(IV)) system to degrade aromatic organoarsenic compounds, with a focus on elucidating the role of <em>in situ</em>-formed Fe(III) flocs. The introduction of S(IV) significantly enhanced oxidative degradation efficiency compared to Fe(VI) alone, achieving 94.8 % <em>p</em>-arsanilic acid (<em>p</em>-ASA) degradation within 3 min. The evolution of active species under varying S(IV) dosages was systematically investigated <em>via</em> radical quenching experiments and probe compound analysis. SO<sub>4</sub><strong><sup>•−</sup></strong>, <sup>•</sup>OH and Fe(IV)/Fe(V) were identified as the dominant reactive species in the Fe(VI)/S(IV) system, with Fe(IV)/Fe(V) serving as the primary driver of <em>p</em>-ASA degradation. Characterization revealed that Fe(III) flocs contributed to arsenic (As) adsorption. While S(IV) addition altered the morphology and structure of Fe(III) flocs, these changes exerted negligible effects on As adsorption capacity. A plausible degradation pathway for <em>p</em>-ASA was proposed, supported by density functional theory (DFT) calculations and degradation product analysis. The system demonstrated robust resistance to common interfering ions, while the low toxicity of degradation byproducts highlighted its potential as a sustainable technology for AOCs elimination. This work elucidated structural modifications in Fe(III) flocs induced by S(IV) and underscored the pivotal role of Fe(IV)/Fe(V), positioning the Fe(VI)/S(IV) system as a promising strategy for AOCs degradation.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111538"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146035479","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

Orthogonal configurative dye 2-anthryl asymmetric aza-BODIPY enhancing SOCT-ISC for phototherapy 正交构型染料2-蒽基不对称氮杂体吡啶增强SOCT-ISC光疗

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-04-02 DOI: 10.1016/j.cclet.2025.111171

Shu Lv , Xiuyan Gong , Yunsheng Xue , Gaowu Qin , Xin-Dong Jiang , Guiling Wang

引用次数: 0

Boosting photocatalytic overall water splitting efficiency and stability with adjacent cobalt-based dual cocatalysts 与相邻的钴基双助催化剂提高光催化整体水分解效率和稳定性

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-07-11 DOI: 10.1016/j.cclet.2025.111581

Li Tian , Xiangjiu Guan , Jingkuo Qu , Anna Dai , Jiaye Cai , Zheng Zhang , Shichao Zong , Liejin Guo

{"title":"Boosting photocatalytic overall water splitting efficiency and stability with adjacent cobalt-based dual cocatalysts","authors":"Li Tian , Xiangjiu Guan , Jingkuo Qu , Anna Dai , Jiaye Cai , Zheng Zhang , Shichao Zong , Liejin Guo","doi":"10.1016/j.cclet.2025.111581","DOIUrl":"10.1016/j.cclet.2025.111581","url":null,"abstract":"<div><div>Cocatalysts are pivotal in realizing photocatalytic overall water splitting (POWS) by mitigating carrier recombination and expediting reaction kinetics. Nevertheless, conventional cocatalysts still faces with challenges in balancing high efficiency and low cost. Herein, adjacent CoP and CoOOH, as noble-metal-free dual cocatalysts for hydrogen/oxygen evolution, are introduced onto the surface of Al-doped SrTiO<sub>3</sub> (Al:STO), achieving stable and efficient POWS, with a hydrogen and oxygen evolution rate of 4.86 and 2.30 mmol h<sup>-1</sup> g<sup>-1</sup>, respectively, and an apparent quantum yield of 12.7 % at 350 ± 10 nm. The superior performance is attributed to the unique adjacent structure of CoP and CoOOH dual cocatalysts. Functioning as critical reactive sites for hydrogen and oxygen evolution, respectively, co-modification of CoP and CoOOH effectively promotes the surface redox reaction. Notably, due to the Schottky junction form between CoP and CoOOH, the uniformly distributed and tightly attached adjacent CoP-CoOOH dual cocatalysts shortened the distance of both charge-carrier migration from bulk to the surface of photocatalyst and proton transfer from oxidation sites to reduction sites, thereby enhancing the charge-separation efficiency and protecting CoP against oxidation during photocatalytic overall water splitting process. This work offers innovative insights for designing efficient, noble-metal-free cocatalysts for POWS.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111581"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915437","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

Metal diborides as robust and highly stable electrodes for efficient electrocatalytic reduction of CO2 to CO in ionic liquid-based electrolytes 金属二硼化物是离子液体电解质中有效的电催化将CO2还原为CO的强大且高度稳定的电极

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-08-06 DOI: 10.1016/j.cclet.2025.111675

Yidan Mao , Bingyu Li , Shuailing Ma , Siwen Cui , Zihan Zhang , Pinwen Zhu , Kongsheng Qi , Xiaodong Li , Weiwei Dong , Wei Luo , Rajeev Ahuja , Dexin Yang , Tian Cui

{"title":"Metal diborides as robust and highly stable electrodes for efficient electrocatalytic reduction of CO2 to CO in ionic liquid-based electrolytes","authors":"Yidan Mao , Bingyu Li , Shuailing Ma , Siwen Cui , Zihan Zhang , Pinwen Zhu , Kongsheng Qi , Xiaodong Li , Weiwei Dong , Wei Luo , Rajeev Ahuja , Dexin Yang , Tian Cui","doi":"10.1016/j.cclet.2025.111675","DOIUrl":"10.1016/j.cclet.2025.111675","url":null,"abstract":"<div><div>The electrocatalytic reduction of carbon dioxide (CO<sub>2</sub>) into fuels holds significant promise for addressing energy and environmental challenges, albeit hindered by constraints in conversion efficiency, production rates, and electrode stability. Metal diborides are considered as promising electrocatalysts that may demonstrate superior CO<sub>2</sub> electroreduction performance due to their distinctive electronic properties. Herein, a series of novel bulk metal diborides, encompassing transition metals from group IVB to group VIIB elements, were fabricated using a high pressure-high temperature technique, which were directly utilized as self-supporting electrodes for electrocatalytic reduction of CO<sub>2</sub>. The zirconium diboride (ZrB<sub>2</sub>) electrode stood out in metal diborides with superior electrocatalytic activity in generating carbon monoxide (CO), achieving a Faradaic efficiency of 92.2% at −2.2 V <em>vs.</em> Ag/Ag<sup>+</sup> in ionic liquid-based electrolytes. Impressively, the ZrB<sub>2</sub> electrode demonstrated stable catalysis of CO<sub>2</sub> reduction to CO over a nearly 60-h electrolysis period. Furthermore, the ZrB<sub>2</sub> electrode and ionic liquid-based electrolytes could synergistically catalyze the reduction of CO<sub>2</sub> to CO. Experimental results and density functional theory calculations support the notion that exposed metal sites on the ZrB<sub>2</sub> (001) surface could enhance *CO desorption and restrain the hydrogen evolution reaction, thereby facilitating the conversion of CO<sub>2</sub> into CO.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111675"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145915456","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

Triply stabilized NH4V4O10 via glycine pillaring enables universal cathode for outstanding rate aqueous zinc-ion batteries and stable aqueous ammonium-ion batteries 通过甘氨酸柱状结构，三重稳定的NH4V4O10可用于高倍率的水锌离子电池和稳定的水铵离子电池

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-08-16 DOI: 10.1016/j.cclet.2025.111729

Zihan Wang , Meizhen Dai , Pengcheng Song , Wenxuan Liu , Junhua You , Fang Hu , Yusheng Wu , Kai Zhu

{"title":"Triply stabilized NH4V4O10 via glycine pillaring enables universal cathode for outstanding rate aqueous zinc-ion batteries and stable aqueous ammonium-ion batteries","authors":"Zihan Wang , Meizhen Dai , Pengcheng Song , Wenxuan Liu , Junhua You , Fang Hu , Yusheng Wu , Kai Zhu","doi":"10.1016/j.cclet.2025.111729","DOIUrl":"10.1016/j.cclet.2025.111729","url":null,"abstract":"<div><div>NH<sub>4</sub>V<sub>4</sub>O<sub>10</sub> has attracted significant attention as a cathode material for aqueous zinc-ion batteries (AZIBs) due to its adjustable interlayer spacing (∼9.5 Å) and high theoretical specific capacity (∼400 mAh/g). However, its development is hindered by sluggish Zn<sup>2+</sup> kinetics and structural instability. In this work, a glycine (Gly) intercalation strategy is demonstrated, which establishes three stabilization mechanisms in the Gly-NVO cathode: (1) Gly pillars are shown to expand the interlayer spacing to 1.21 nm; (2) Hydrogen-bonding networks are formed between layers; (3) Reversible NH<sub>4</sub><sup>+</sup> (de)intercalation behavior is observed. The Gly-NVO cathode delivers a capacity of 520 mAh/g at 0.2 A/g (393 Wh/kg energy density), along with outstanding rate capability (400 and 150 mAh/g at 10 and 50 A/g, corresponding to power densities of 5688 and 24.3 kW/kg, respectively). A capacity retention of 88.2 % is maintained after 10,000 cycles at 50 A/g. DFT calculations confirm that the introduction of Gly significantly enhances the electrical conductivity of NVO while effectively weakening electrostatic interactions, and energy barrier for Zn<sup>2+</sup> intercalation and vanadium dissolution are reduced by Gly. Additionally, due to the reversible NH<sub>4</sub><sup>+</sup> (de)intercalation behavior in Gly-NVO, the assembled aqueous ammonium-ion batteries (AAIBs) exhibit stable cycling ability. This work highlights organic molecule pre-intercalation as a viable strategy for optimizing the durability of ammonium vanadate cathodes.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111729"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146074253","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

Three-component alkenylcarboxylation of two distinct alkenes with CO2 via photoinduced palladium catalysis 光诱导钯催化下两种不同烯烃与CO2的三组分烯基羧化反应

IF 8.9 1区化学

Chinese Chemical Letters Pub Date : 2026-04-01 Epub Date: 2025-05-12 DOI: 10.1016/j.cclet.2025.111304

Jie Zhou , Luping Hu , Rui Wang , Ruijie Wang , Jun Xu , Huajian Xu

{"title":"Three-component alkenylcarboxylation of two distinct alkenes with CO2 via photoinduced palladium catalysis","authors":"Jie Zhou , Luping Hu , Rui Wang , Ruijie Wang , Jun Xu , Huajian Xu","doi":"10.1016/j.cclet.2025.111304","DOIUrl":"10.1016/j.cclet.2025.111304","url":null,"abstract":"<div><div>Alkene cross-coupling provides a simple and efficient approach for constructing C<img>C bonds using readily accessible alkene feedstocks. Despite significant progress in C<img>C bonds formation through the difunctionalization of alkenes, analogous reaction involving two distinct alkenes remains extremely limited. Herein, we report the excited-state palladium(0) catalyzed alkenylcarboxylation of two distinct alkenes with CO<sub>2</sub>, delivering a variety of carboxylic acids in moderate to excellent yields. This reaction features high regio- & chemoselectivity, broad substrate scope (>70 examples), and facile derivatization of products. Mechanistic studies indicate that the key step for this new strategy lies in the reductive activation of electron-deficient alkenes with the excited-state palladium complex to generate alkene radical anions. The current single-electron reduction strategy for alkenes catalyzed by photoexcited palladium(0) not only broadens the scope of excited palladium chemistry but also provides a mild approach for alkenes activation. Furthermore, this method serves as an efficient tool for the rapid construction of multiple C<img>C bonds in a one-pot operation using two distinct alkenes.</div></div>","PeriodicalId":10088,"journal":{"name":"Chinese Chemical Letters","volume":"37 4","pages":"Article 111304"},"PeriodicalIF":8.9,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145975476","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