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Properties of Organometallic Compounds01:23

Properties of Organometallic Compounds

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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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An alkene, such as propene, reacts with bromine in the presence of water to yield a halohydrin. Halohydrins contain a halogen and a hydroxyl group attached to adjacent carbons. When the halogen is bromine, it is called a bromohydrin, while a chlorohydrin has chlorine as the halogen.
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Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
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Microfluidic-based Synthesis of Covalent Organic Frameworks COFs: A Tool for Continuous Production of COF Fibers and Direct Printing on a Surface
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Hydrazone-Linked Covalent Organic Frameworks.

Huifen Zhuang1, Can Guo1, Jianlin Huang1

  • 1Guangdong Provincial Key Laboratory of Carbon Dioxide Resource Utilization, School of Chemistry, South China Normal University, Guangzhou, 510006, P. R. China.

Angewandte Chemie (International Ed. in English)
|May 14, 2024
PubMed
Summary
This summary is machine-generated.

Hydrazone-linked covalent organic frameworks (COFs) offer tunable structures and stability for applications in adsorption, sensing, and catalysis. This review summarizes their preparation, properties, and potential, highlighting future opportunities.

Keywords:
covalent organic frameworksheteroatomic siteshydrazone linkagehydrolytic stabilitystructural flexibility

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Area of Science:

  • Materials Science
  • Chemistry

Background:

  • Hydrazone-linked covalent organic frameworks (COFs), a subset of Schiff-base COFs, emerged in 2011.
  • These materials exhibit structural flexibility, heteroatomic sites, and high hydrolytic stability.
  • Their development has been significant, attracting considerable scientific interest.

Purpose of the Study:

  • To systematically review the preparation methods, characteristics, and applications of hydrazone-linked COFs.
  • To discuss current challenges and future opportunities in the field.
  • To provide insights for further exploration of hydrazone-linked COFs.

Main Methods:

  • Literature review of hydrazone-linked COFs.
  • Analysis of synthesis strategies and structural properties.
  • Compilation of application examples in adsorption, separation, sensing, catalysis, and energy storage.

Main Results:

  • Hydrazone-linked COFs possess adjustable structures, precise pore channels, and abundant heteroatomic sites.
  • These properties enable diverse applications, including adsorption/separation, chemical sensing, catalysis, and energy storage.
  • A comprehensive overview of their preparation and characteristics is presented.

Conclusions:

  • Hydrazone-linked COFs are versatile materials with significant potential across various scientific domains.
  • Further research can unlock novel functions and applications by addressing existing challenges.
  • This review serves as a valuable resource for researchers in the field of COFs.