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Amyloid-Like Protein Coating as a Barrier Against Plasticizer Leaching 淀粉样蛋白涂层是防止增塑剂浸出的屏障
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-12 DOI: 10.31635/ccschem.024.202404046
CCS Chemistry, Ahead of Print.
CCS Chemistry, Ahead of Print.
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引用次数: 0
Author Spotlight 作者聚焦
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-06-03 DOI: 10.31635/ccschem.024.202400510ed2
CCS Chemistry, Volume 6, Issue 6, Page 1356-1359, June 2024.
CCS 化学》,第 6 卷第 6 期,第 1356-1359 页,2024 年 6 月。
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引用次数: 0
Dual-Mode Reversible Imaging of the Hypoxia Status of Acute and Chronic Hepatic Injury 急性和慢性肝损伤缺氧状态的双模式可逆成像
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-29 DOI: 10.31635/ccschem.024.202404092
CCS Chemistry, Ahead of Print.
CCS Chemistry, Ahead of Print.
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引用次数: 0
Poly(N-Heterocyclic Carbene)-Derived Organometallic Cylinders and Barrels 聚(N-杂环羰基)衍生有机金属圆筒和圆桶
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-23 DOI: 10.31635/ccschem.024.202404269
CCS Chemistry, Ahead of Print.
CCS Chemistry, Ahead of Print.
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引用次数: 0
The Porous Nanocarbons with Polynuclear Aromatic Cores 具有多核芳香族内核的多孔纳米碳化物
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-21 DOI: 10.31635/ccschem.024.202403889
CCS Chemistry, Ahead of Print.
CCS Chemistry, Ahead of Print.
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引用次数: 0
π-Fused Diazocines with Controllable Photoswitching Properties as Molecular Tweezers 作为分子镊子的具有可控光开关特性的 π-融合二氮杂环己烷
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-21 DOI: 10.31635/ccschem.024.202404227
CCS Chemistry, Ahead of Print.
CCS Chemistry, Ahead of Print.
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引用次数: 0
Investigating the Catalytic Impact of Iron-Based Metal–Organic Framework Templates on the CO2-Derived Fischer–Tropsch Synthesis Process 研究铁基金属有机框架模板对二氧化碳衍生费托合成过程的催化影响
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-14 DOI: 10.31635/ccschem.024.202404148
CCS Chemistry, Ahead of Print.
CCS Chemistry, Ahead of Print.
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引用次数: 0
Author Spotlight 作者聚焦
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-03 DOI: 10.31635/ccschem.024.202400423ed2
CCS Chemistry, Volume 6, Issue 5, Page 1089-1091, May 2024.
CCS 化学》,第 6 卷第 5 期,第 1089-1091 页,2024 年 5 月。
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引用次数: 0
A Tetracationic Cyclophane 一种四阳离子环烷
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-02 DOI: 10.31635/ccschem.024.202404345
Yiming Zhang, Yang Liu, Yuyang Wu, Chenqi Ge, Bingda Li, Yuxi Wei, Yongwei Qian, Qing Li, Feihe Huang, Hao Li
A tetracationic macrocycle namely <b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>ExBluebox</bold></b><sup>4+</sup> bearing two N-phenylene-bipyridinium units that are bridged in a face-to-face manner by two rigid linkers was synthesized by using an electron rich template. Compared to the so-called “<b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>Bluebox</bold></b><sup>4+</sup>” first invented by Stoddart, <b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>ExBluebox</bold></b><sup>4+</sup> reported here has an extended cavity, allowing the recognition of guests whose sizes exceed the inner cavity of <b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>Bluebox</bold></b><sup>4+</sup>. In comparison with the so-called “<b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>Exbox</bold></b><sup>4+</sup>” in which two pyridinium units are separated by a phenylene linker, the viologen dications in <b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>ExBluebox</bold></b><sup>4+</sup> remain intact. <b xmlns:bkstg="http://www.atypon.com/backstage-ns" xmlns:fn="http://www.w3.org/2005/xpath-functions" xmlns:pxje="java:com.atypon.frontend.services.impl.PassportXslJavaExtentions" xmlns:urlutil="java:com.atypon.literatum.customization.UrlUtil" xmlns:xlink="http://www.w3.org/1999/xlink"><bold>ExBluebox</bold></b><sup>4+</sup> demonstrates capabilities of recognizing various aromatic guests in both water and organic solvent such as MeCN. By taking advantage of the difference in binding affinities, the macrocycle dissolved in water
我们利用富电子模板合成了一种四阳离子大环,即 ExBluebox4+,它含有两个 N-苯基-联吡啶鎓单元,这两个单元通过两个刚性连接体以面对面的方式连接在一起。与斯托达特首先发明的所谓 "Bluebox4+"相比,这里报告的 ExBluebox4+ 具有一个扩展腔,可以识别尺寸超过 Bluebox4+ 内腔的客体。在所谓的 "Exbox4+"中,两个吡啶鎓单元被一个亚苯基连接体隔开,与之相比,ExBluebox4+ 中的紫精二酸保持完整。ExBluebox4+ 能够在水和有机溶剂(如 MeCN)中识别各种芳香族客体。通过利用结合亲和力的差异,溶于水的大环能够将芘和苝分离开来,而由于它们相似的物理特性(如沸点),要将它们分离开来是相当困难的。在水中,ExBluebox4+ 可以在葫芦[10]脲(CB[10])的空腔中被识别,在疏水效应和阳离子-偶极相互作用的驱动下形成 ExBluebox4+ ⊂CB[10]复合物。CB[10]被包裹后,ExBluebox4+的客体识别能力得以保持甚至在水中上升,从而以客体⊂ExBluebox4+⊂CB[10]的形式自组装出 "俄罗斯娃娃 "结构。
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引用次数: 0
Steric control over inter-ligand dihedrals and splay leads to the formation of FeII6L6 and FeII8L8 antiprisms 配体间二面性和展宽的立体控制导致了 FeII6L6 和 FeII8L8 反三棱镜的形成
IF 11.2 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2024-05-02 DOI: 10.31635/ccschem.024.202404281
Yuchong Yang, Yuyin Du, Tanya K. Ronson, Jonathan R. Nitschke
Macrocycles have found uses in guest capture, sensing and porous materials, motivating the development of new methods for their synthesis. Here we report the construction of two types of barrel-shaped macrocyclic assemblies, with trigonal antiprismatic FeII6L6 and square antiprismatic FeII8L8 architectures, from FeII and boron-containing tritopic ligands. Two factors, the steric hindrance of ligands and the preferred coordination angles at different vertices, were observed to regulate the dihedral angles between adjacent ligands, leading to the formation of the structures observed. The effects of ligand steric hindrance led to the formation of a FeII6L6 trigonal antiprism, which efficiently encapsulated persistent environmental pollutant perfluorosulfonate anions. In contrast with the iminopyridine chelating groups of the FeII6L6 structure, the incorporation of azopyridine moieties coordinated to the FeII centres not only increased the vertex opening angle, resulting in the construction of a FeII8L8 square antiprism, but also enabled the redox-driven reversible disassembly of this structure. The design strategies that have enabled the construction of these antiprismatic macrocycles may provide insight into the design principles governing the formation of more complex functional assemblies.
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大环已被用于客体捕获、传感和多孔材料,这促使我们开发新的合成方法。在此,我们报告了由 FeII 和含硼三位配体构建的两类桶状大环集合体,即三棱反三棱 FeII6L6 和方形反三棱 FeII8L8 结构。据观察,配体的立体阻碍和不同顶点的优先配位角这两个因素调节了相邻配体之间的二面角,从而形成了所观察到的结构。配体立体阻碍的影响导致形成了 FeII6L6 三方反棱柱,有效地包裹了持久性环境污染物全氟磺酸阴离子。与 FeII6L6 结构中的亚氨基吡啶螯合基团不同,加入与 FeII 中心配位的偶氮吡啶分子不仅能增大顶点开角,从而构建出 FeII8L8 方形反三棱镜,还能使该结构在氧化还原作用的驱动下可逆分解。能够构建这些反三棱镜大环的设计策略可以让我们深入了解形成更复杂功能组合体的设计原理。 下载图表下载 PowerPoint
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CCS Chemistry
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