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Related Concept Videos

Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene01:13

Electrophilic Aromatic Substitution: Fluorination and Iodination of Benzene

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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.
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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. 
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Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...
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Light-driven Enzymatic Decarboxylation
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Fluorine biocatalysis.

Linrui Wu1, Fleurdeliz Maglangit2, Hai Deng1

  • 1Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, Scotland, UK.

Current Opinion in Chemical Biology
|February 23, 2020
PubMed
Summary
This summary is machine-generated.

Fluorine biocatalysts offer a promising route for selective organofluorine synthesis in complex molecules. This review explores fluorinase biotechnology and future directions for producing novel fluorinated compounds.

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Area of Science:

  • Biochemistry
  • Organic Chemistry
  • Biotechnology

Background:

  • Organofluorines are vital in medicinal chemistry, biomaterials, and bioorganic chemistry.
  • Selective synthesis of organofluorines remains a significant challenge despite advances in synthetic methods.
  • Biocatalysis presents a powerful strategy for targeted fluorination of diverse molecules.

Purpose of the Study:

  • To review the current state of fluorinase biotechnology and fluorine biocatalysts.
  • To highlight the potential of biocatalysis for selective C-F bond formation.
  • To identify future research directions for engineering microorganisms to produce fluorinated compounds.

Main Methods:

  • Review of existing literature on fluorinase enzymes and biocatalytic fluorination.
  • Analysis of strategies for expanding enzyme substrate scope and biosynthetic pathways.
  • Discussion of the importance of understanding fluorometabolite roles in microbial systems.

Main Results:

  • Fluorinase biotechnology and fluorine biocatalysts enable the selective incorporation of fluorine motifs.
  • Extending enzyme capabilities and engineering biosynthetic pathways are key strategies.
  • Understanding microbial metabolism of fluorinated compounds is crucial for developing new applications.

Conclusions:

  • Biocatalytic approaches, particularly using fluorinases, are essential for advancing organofluorine synthesis.
  • Future research should focus on enzyme engineering, pathway expansion, and metabolic understanding.
  • This field holds significant potential for producing novel fluorinated molecules for various applications.