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Updated: Jul 13, 2025

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Synthesis of Information-bearing Peptoids and their Sequence-directed Dynamic Covalent Self-assembly

Published on: February 6, 2020

Polyfluoroalkyl Chain-Based Assemblies for Biomimetic Catalysis.

Ning Liu¹, Ping Gao^2,3, Hai-Yan Lu¹

¹College of Materials Science and Engineering, Huaqiao University, Xiamen, 361021, China.

Chemistry (Weinheim an Der Bergstrasse, Germany)

|October 12, 2023

Summary

This summary is machine-generated.

Amphiphobic fluoroalkyl chains create effective biomimetic catalysts. These novel polyfluorinated C_n F_2n+1 -C_m H_2m -TACN⋅Zn²⁺ assemblies exhibit enhanced catalytic activity and affinity for phosphate substrates.

Keywords:

catalysis diversity catalysis modulation polyfluoroalkyl chain robust assemblies supramolecular catalysis

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Area of Science:

Supramolecular Chemistry
Catalysis
Materials Science

Background:

Self-assembled catalysts offer biomimetic properties.
Fluoroalkyl chains can create amphiphobic properties for self-assembly.
1,4,7-triazacyclononane (TACN) is a versatile ligand for metal coordination.

Purpose of the Study:

To synthesize novel polyfluorinated TACN derivatives.
To investigate the self-assembly behavior of these derivatives with Zn²⁺.
To evaluate their catalytic performance in phosphate hydrolysis.

Main Methods:

Synthesis of C_n F_2n+1 -C_m H_2m -TACN derivatives.
Coordination with Zn²⁺ to form micelle-like aggregates.
Catalytic activity assays using 2'-hydroxypropyl-4-nitrophenyl phosphate.
Coarse-grained molecular dynamic simulations.

Main Results:

Polyfluorinated C_n F_2n+1 -C_m H_2m -TACN⋅Zn²⁺ showed a significantly lower critical aggregation concentration.
These assemblies demonstrated higher affinity and catalytic activity compared to perhydroalkyl counterparts.
Molecular dynamics simulations provided insights into the self-assembly and enhanced activity.

Conclusions:

Amphiphobic fluoroalkyl chains are effective in creating robust self-assembled biomimetic catalysts.
The polyfluorinated TACN-Zn²⁺ assemblies represent a promising class of catalysts with improved performance.
Understanding the supramolecular assembly is key to designing efficient catalytic systems.