Simultaneous Disulfide and Boronic Acid Ester Exchange in Dynamic Combinatorial Libraries

Area of Science:

• Supramolecular Chemistry
• Organic Chemistry
• Chemical Synthesis

Background:

• Dynamic combinatorial chemistry (DCC) utilizes reversible reactions for the discovery of complex receptors.
• Dynamic combinatorial libraries (DCLs) rely on building block exchange for thermodynamic control.
• Simultaneous operation of multiple reversible reactions in DCLs can significantly increase system complexity and applications.

Purpose of the Study:

• To investigate the simultaneous function of disulfide exchange and boronic ester transesterification in DCLs.
• To establish suitable reaction conditions for dual reversible reactions within a single DCL.
• To identify appropriate analytical techniques for studying such complex systems.

Main Methods:

• Exploration of reaction conditions for simultaneous disulfide exchange and boronic ester transesterification.
• Utilizing analytical techniques to monitor and characterize the DCL system.
• Investigating the thermodynamic control in a DCL with two independent reversible reactions.

Main Results:

• Demonstrated successful simultaneous operation of disulfide exchange and boronic ester transesterification under specific conditions.
• Established protocols for creating and analyzing DCLs with dual reversible reactions.
• Showcased the increased complexity achievable in DCLs through the combination of these reactions.

Conclusions:

• The simultaneous use of disulfide exchange and boronic ester transesterification is feasible in DCLs.
• This approach enhances the potential for discovering intricate supramolecular receptors.
• Further research into multi-reaction DCLs promises expanded applications in chemistry.