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相关概念视频

Metal-Ligand Bonds02:51

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The hemoglobin in the blood, the chlorophyll in green plants, vitamin B-12, and the catalyst used in the manufacture of polyethylene all contain coordination compounds. Ions of the metals, especially the transition metals, are likely to form complexes.
In these complexes, transition metals form coordinate covalent bonds, a kind of Lewis acid-base interaction in which both of the electrons in the bond are contributed by a donor (Lewis base) to an electron acceptor (Lewis acid). The Lewis acid in...
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Organometallic compounds are compounds that contain a carbon–metal bond. Carbon belongs to an organyl group like alkyl, aryl, allyl, or benzyl groups. The metal can be from Group I or Group II of the periodic table, a transition metal, or a semimetal.
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Author Spotlight: Functionalizing Metal-Organic Frameworks: Advancements, Challenges, and the Power of Post-Synthetic Ligand Exchange
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在金属有机框架中的可逆后合成修饰.

Prantik Mondal1, Zachary Neuschuler1, Dipendu Mandal1

  • 1Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA 92093, USA.

Angewandte Chemie (International ed. in English)
|December 27, 2023
PubMed
概括

这项研究证明了使用 furan-maleimide 化学方法对金属有机框架 (MOF) 的可逆后合成修饰 (PSM). 这允许MOF的重复功能化和非功能化,同时保持其结构.

关键词:
点击 化学 点击 化学 .迪尔斯-阿尔德的情况金属有机框架 - 金属有机框架合成后的修改 合成后的修改具有可逆的共价变异修饰

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科学领域:

  • 材料科学 材料科学 材料科学
  • 化学 化学 化学

背景情况:

  • 合成后修饰 (PSM) 对于工程先进的多孔材料,如金属有机框架 (MOF) 至关重要.
  • 开发可逆修改策略是MOFs动态功能化的关键.

研究的目的:

  • 报告一种新的方法,用于多变量异构管MOF的可逆PSM.
  • 为了证明动态 furan-maleimide Diels-Alder (DA) 化学对于MOF修饰的实用性.

主要方法:

  • 通过"点击"PSM将 furan 组纳入 MOF.
  • 通过Diels-Alder (DA) 化学,使用maleimides进行重复的修饰和去修饰循环.
  • 在修改周期后,MOF结构完整性,结晶性和多孔性的表征.

主要成果:

  • 通过使用 furan-maleimide DA 化学方法,成功地实现了 MOF 的可逆PSM.
  • 添加的MOF可以经历多个修改和去修改周期.
  • 在整个PSM周期中,结构完整性,结晶性和多孔性都得到了保留.

结论:

  • 动态的 furan-maleimide DA 化学物质使MOFs 的有效和可逆的PSM 成为可能.
  • 这种方法为先进的多孔固体工程提供了一个强大的方法.
  • 在重复的功能化和非功能化后,MOF的属性保持不变.