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08:46
Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI
Published on: November 22, 2016
8.3K
Planar Polycyclic Oxaphosphoranes Incorporating a Benzophosphole Unit
Xu Zhao1, Zhenjie Gan1, Chaopeng Hu1
1College of Chemistry and Molecular Engineering, International Phosphorus Laboratory, International Joint Research Laboratory for Functional Organophosphorus Materials of Henan Province, Zhengzhou University , Zhengzhou 450001, P. R. China.
Organic Letters
|October 14, 2017
Summary
Researchers developed an easy method to synthesize gram-scale quaternized benzophospholes. This process yielded novel oxaphosphoranes with polycyclic aromatic hydrocarbons, enhancing system coplanarity.
Area of Science:
- Organic Chemistry
- Organophosphorus Chemistry
Background:
- Benzophospholes are heterocyclic compounds with unique electronic properties.
- Polycyclic aromatic hydrocarbons (PAHs) are known for their extended π-systems.
Purpose of the Study:
- To develop a facile and scalable synthesis of quaternized benzophospholes.
- To explore the incorporation of polycyclic aromatic hydrocarbons (PAHs) into benzophosphole structures.
- To investigate the effect of α-phenolate group grafting on the electronic and structural properties of the synthesized compounds.
Main Methods:
- Gram-scale synthesis of quaternized benzophospholes.
- Isolation of products via simple filtration.
- Characterization of σ5-oxaphosphoranes incorporating PAHs.
Main Results:
- A facile and scalable method for synthesizing quaternized benzophospholes was established.
- A series of novel σ5-oxaphosphoranes featuring polycyclic aromatic hydrocarbons (PAHs) were successfully synthesized.
- Grafting of α-phenolate groups onto the phosphorus center was shown to enhance the coplanarity of the resulting molecular system.
Conclusions:
- The developed method provides efficient access to functionalized benzophospholes.
- The incorporation of PAHs and α-phenolate groups offers a route to tune the electronic and structural properties of organophosphorus compounds.
- The enhanced coplanarity may lead to interesting photophysical or electronic applications.
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