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Updated: May 13, 2026
08:25
Development of Heterogeneous Enantioselective Catalysts using Chiral Metal-Organic Frameworks (MOFs)
Published on: January 17, 2020
Ionic Organic Cages as Adaptable Platforms for Cooperative Tandem Catalysis
1MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, P. R. China.
Accounts of Chemical Research
|May 12, 2026
Summary
Ionic organic cages (IOCs) mimic biological systems for advanced catalysis. Their charged structures enable hierarchical assembly and cooperative multi-site reactions, creating sophisticated biomimetic catalysts.
Area of Science:
- Supramolecular Chemistry
- Catalysis
- Materials Science
Background:
- Biological systems use multivalent interactions for hierarchical assembly and compartmentalization.
- Organic molecular cages (OMCs) offer confined environments for catalysis but often focus on single sites.
- Ionic organic cages (IOCs), a subclass of OMCs, possess charged skeletons and counterions, enhancing biomimetic functionality.
Purpose of the Study:
- To highlight advances in ionic organic cages (IOCs) as multifunctional biomimetic catalytic platforms.
- To discuss synthetic strategies for controlling charge in IOCs.
- To elucidate the role of IOCs' structural elements in hierarchical assembly and cooperative catalysis.
Main Methods:
- Direct self-assembly of charged building blocks via covalent bonding.
- Post-synthetic modifications (neutralization, substitution, oxidation) to tune charge.
- Analysis of IOCs using an "inside-out" framework focusing on nanocavities, charged skeletons, and counterions.
Main Results:
- IOCs exhibit broad solubility, tunable electrostatic microenvironments, and intrinsic multivalency.
- Charged skeletons and counterions mediate hierarchical assembly of multiple catalytic sites.
- Cooperative mechanisms like compartmentalization and electron communication enable efficient tandem catalysis.
Conclusions:
- IOCs are versatile biomimetic platforms for designing complex catalysts.
- Their structural mimicry and functional integration enable precision, versatility, and adaptability.
- IOCs offer a promising route toward artificial systems with life-like catalytic sophistication.
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