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Fluorescent Macrocyclic Arenes: Synthesis and Applications.

Xiao-Ni Han¹, Ying Han¹, Chuan-Feng Chen^1,2

¹Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institution Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.

Angewandte Chemie (International Ed. in English)

|January 15, 2025

Summary

This summary is machine-generated.

Novel fluorescent macrocyclic arenes, built from polycyclic aromatic and heteroaromatic units, offer unique photophysical properties. This review details their synthesis and diverse applications in sensing and materials science.

Keywords:

assembly fluorescent macrocyclic arenes host–guest chemistry polycyclic aromatic compounds synthesis

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Area of Science:

Supramolecular Chemistry
Organic Chemistry
Materials Science

Background:

Fluorescent macrocyclic arenes are crucial in supramolecular chemistry.
Classical designs involve appending fluorophores to macrocyclic frameworks.
Recent advances focus on integrating fluorescent units directly into the macrocycle skeleton.

Purpose of the Study:

To review recent synthetic strategies for fluorescent macrocyclic arenes.
To summarize the properties and applications of these novel compounds.
To categorize structures based on their polycyclic aromatic or heteroaromatic building blocks.

Main Methods:

Literature review of research published in the past decade.
Categorization of fluorescent macrocyclic arenes by constituent building blocks (e.g., naphthalene, pyrene, carbazole).
Analysis of reported synthetic routes, photophysical properties, and application data.

Main Results:

A surge in novel fluorescent macrocyclic arenes utilizing diverse polycyclic aromatic and heteroaromatic units.
Demonstrated specific fluorescence properties tailored by building block selection.
Broad applicability in molecular recognition, chemical sensing, bioimaging, and advanced functional materials.

Conclusions:

Fluorescent macrocyclic arenes with integrated polycyclic aromatic/heteroaromatic skeletons represent a rapidly advancing field.
These compounds exhibit tunable photophysical properties and significant potential in various high-tech applications.
Continued research promises further innovation in their synthesis and utility.