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Arylpyrrolyldiketone Boron Complexes Exhibiting Various Anion-Binding Modes Based on Dynamic Conformation Changes
Atsuko Kuno1, Masaya Fujiwara1, Yohei Haketa1
1Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, Kusatsu, 525-8577, Japan.
Chemistry, an Asian Journal
|July 20, 2018
Summary
New arylpyrrolyldiketone boron complexes act as anion-responsive molecules. These π-electronic materials show diverse binding modes and form solid-state assemblies with countercations.
Area of Science:
- Supramolecular Chemistry
- Organic Electronics
- Coordination Chemistry
Background:
- Arylpyrrolyldiketone boron complexes are π-electronic molecules.
- Anion-responsive materials are crucial for sensing and molecular devices.
Purpose of the Study:
- To synthesize novel arylpyrrolyldiketone boron complexes.
- To investigate their anion-binding properties and assembly behavior.
Main Methods:
- Synthesis via Claisen condensation of acetylpyrrole and aryl esters.
- Characterization of π-electronic molecules and their complexes.
- Analysis of solid-state ion-pairing assemblies.
Main Results:
- Successfully synthesized arylpyrrolyldiketone boron complexes.
- Exhibited diverse anion-binding modes ([1+1] and [2+1] types).
- Constructed solid-state ion-pairing assemblies using planar [2+1]-type complexes.
Conclusions:
- Arylpyrrolyldiketone boron complexes are versatile anion-responsive materials.
- The single pyrrole ring enables unique binding modes.
- Potential applications in supramolecular chemistry and molecular electronics.
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