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Related Concept Videos

Halogens03:01

Halogens

18.4K
Group 17 elements, known as halogens, are nonmetals. At room temperature, fluorine and chlorine are gases, bromine is a liquid, and iodine a solid. Astatine is a highly unstable radioactive element, so currently, most of its properties are unknown due to its short half-life. Tennessine is a synthetic element also predicted to be in this group. 
18.4K
Electron Affinity03:07

Electron Affinity

35.3K
The electron affinity (EA) is the energy change for adding an electron to a gaseous atom to form an anion (negative ion).
35.3K
Other Nuclides: 31P, 19F, 15N NMR01:16

Other Nuclides: 31P, 19F, 15N NMR

372
Many organic, inorganic, and biological molecules contain spin-half nuclei such as nitrogen-15, fluorine-19, and phosphorus-31. As a result, NMR studies of these nuclei have found extensive applications in chemical and biological research.
While fluorine-19 and phosphorous-31 have high natural abundances (100%) and positive gyromagnetic ratios, nitrogen-15 has a low natural abundance and a negative gyromagnetic ratio. However, nitrogen-15 is still preferred over nitrogen-14 (which has a...
372
Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene01:13

Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene

5.9K
Bromination and chlorination of aromatic rings by electrophilic aromatic substitution reactions are easily achieved, but fluorination and iodination are difficult to achieve. Fluorine is so reactive that its reaction with benzene is difficult to control, resulting in poor yields of monofluoroaromatic products. To address this, Selectfluor reagent is used as a fluorine source in which a fluorine atom is bonded to a positively charged nitrogen.
5.9K
The Aufbau Principle and Hund's Rule03:02

The Aufbau Principle and Hund's Rule

47.2K
To determine the electron configuration for any particular atom, we can build the structures in the order of atomic numbers. Beginning with hydrogen, and continuing across the periods of the periodic table, we add one proton at a time to the nucleus and one electron to the proper subshell until we have described the electron configurations of all the elements. This procedure is called the aufbau principle, from the German word aufbau (“to build up”). Each added electron occupies the...
47.2K
Atomic Fluorescence Spectroscopy01:29

Atomic Fluorescence Spectroscopy

261
Atomic fluorescence spectroscopy (AFS) is an analytical technique that involves the electronic transitions of atoms in a flame, furnace, or plasma being excited by electromagnetic (EM) radiation. When these atoms absorb energy, they become excited and subsequently release energy as they return to their original state. This emitted light, or "fluorescence," is observed at a right angle to the incident beam. Both absorption and emission processes transpire at distinct wavelengths, which...
261

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Application of Elemental Lanthanides in the Selective C-F Activation of Trifluoromethylated Benzofulvenes Providing Access to Various Difluoroalkenes
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Application of Elemental Lanthanides in the Selective C-F Activation of Trifluoromethylated Benzofulvenes Providing Access to Various Difluoroalkenes

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Recent Advances on Fluorine Chemistry.

Mikhail Yu Moskalik1

  • 1A.E. Favorsky Irkutsk Institute of Chemistry of the Siberian Branch of the Russian Academy of Sciences, Favorsky Street, 664033 Irkutsk, Russia.

International Journal of Molecular Sciences
|August 10, 2024
PubMed
Summary

This Special Issue highlights recent advancements in fluorine chemistry. Discover cutting-edge research and applications shaping the future of this dynamic field.

Area of Science:

  • Fluorine chemistry
  • Organofluorine compounds
  • Materials science

Background:

  • Recent breakthroughs in synthetic methodologies for organofluorine compounds.
  • The growing importance of fluorine in pharmaceuticals and agrochemicals.
  • Emerging applications of fluorinated materials in electronics and energy storage.

Discussion:

  • Novel synthetic routes and catalytic systems for selective fluorination.
  • The role of computational chemistry in predicting and designing fluorinated molecules.
  • Challenges and opportunities in scaling up fluorination processes.

Key Insights:

  • Development of new reagents and catalysts for efficient C-F bond formation.
  • Understanding structure-property relationships in fluorinated organic molecules.

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  • Innovative applications of fluorine in drug discovery and materials development.

    • Outlook:

    • Future trends in selective fluorination and C-H functionalization.
    • The potential of fluorine chemistry in sustainable synthesis and green chemistry.
    • Expanding the scope of fluorinated materials for advanced technologies.