A Candidate for Multitopic Probes for Ligand Discovery in Dynamic Combinatorial Chemistry

Area of Science:

• Supramolecular Chemistry
• Materials Science
• Medicinal Chemistry

Background:

• Multifunctionalized materials are crucial for identifying specific interactions between ligands and biomaterials.
• Efficient methods for creating diverse functional group combinations are needed for ligand discovery.
• Dynamic combinatorial chemistry (DCC) offers a powerful approach for generating and screening molecular libraries.

Purpose of the Study:

• To design and synthesize a novel multitopic probe for ligand discovery using DCC.
• To develop a versatile scaffold capable of introducing various functional groups for creating diverse molecular probes.
• To demonstrate the utility of the new probe in generating libraries of macrocycles for biomaterial interaction studies.

Main Methods:

• Synthesis of a new Gable Porphyrin (GP1) featuring prop-2-yne groups as a functionalization scaffold.
• Utilizing the spontaneous and quantitative macrocycle formation of GP1 through imidazole-to-zinc coordination.
• Introducing diverse functional groups onto the GP1 scaffold and forming heterogeneous macrocycles under equilibrium conditions.

Main Results:

• GP1 was successfully synthesized with prop-2-yne groups, enabling facile introduction of various functionalities.
• High yields were achieved for the functionalization of GP1.
• Heterogeneous macrocycles, composed of different GP1 derivatives, were formed under equilibrium, demonstrating the system's potential for library generation.

Conclusions:

• The developed Gable Porphyrin (GP1) system is a promising candidate for creating dynamic combinatorial libraries of multitopic probes.
• This approach facilitates the generation of a vast array of macrocycles with diverse functionalities.
• The system holds potential for discovering specific ligand-biomaterial interactions, advancing drug discovery and materials science.