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Updated: Oct 21, 2025

Preparation of a Corannulene-functionalized Hexahelicene by CopperI-catalyzed Alkyne-azide Cycloaddition of Nonplanar Polyaromatic Units
Published on: September 18, 2016
Pillararenes: fascinating planar chiral macrocyclic arenes.
Jin-Fa Chen1, Jin-Dong Ding2, Tai-Bao Wei3
1Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, Key Laboratory of Cluster Science of the Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology of China, Beijing, 102488, China.
This review details methods for creating resolvable chiral pillararenes, which are macrocyclic hosts with planar chirality. These compounds show promise in various applications, including asymmetric catalysis and sensing.
Area of Science:
- Supramolecular Chemistry
- Chiral Science
Background:
- Pillararenes are young supramolecular macrocyclic hosts widely used in host-guest recognition and self-assembly.
- Substituent positions on pillararene benzene rings break molecular symmetry, leading to planar chirality.
- Synthesizing stable, resolvable pillararene enantiomers is challenging due to phenylene group rotation.
Purpose of the Study:
- To summarize construction methods for resolvable chiral pillararenes.
- To highlight applications of chiral pillararenes in diverse scientific fields.
- To discuss future research perspectives in pillararene-based planar chiral materials.
Main Methods:
- Review of synthetic strategies for constructing resolvable chiral pillararenes.
- Compilation of applications demonstrating the utility of chiral pillararenes.
- Analysis of current challenges and future directions in the field.
Main Results:
- Established methods for synthesizing resolvable chiral pillararenes are presented.
- Diverse applications including enantioselective recognition, asymmetric catalysis, and material science are showcased.
- The review consolidates knowledge on pillararene-based planar chiral materials.
Conclusions:
- Resolvable chiral pillararenes are valuable supramolecular hosts with significant potential.
- Continued research into their synthesis and applications will drive innovation in chiral science.
- Pillararene-based planar chiral materials offer exciting future research avenues.
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