Constructive on-DNA Thiol Aerial Oxidization for DNA-Encoded Library Synthesis

Area of Science:

• Organic Chemistry
• Medicinal Chemistry
• Biochemistry

Background:

• DNA-encoded libraries (DELs) are powerful tools for drug discovery.
• Efficient methods for modifying DNA-encoded small molecules are crucial for expanding DEL applications.
• Oxidative disulfide formation is a key reaction in synthesizing diverse chemical scaffolds.

Purpose of the Study:

• To develop a novel and efficient on-DNA oxidative disulfide formation method.
• To demonstrate the broad applicability of this method in DNA-encoded library synthesis.
• To enable access to pharmaceutically relevant chemical motifs using this methodology.

Main Methods:

• Development of a novel on-DNA oxidative disulfide formation reaction.
• Application of the method under ambient conditions.
• Integration of the method into routine DNA-encoded library synthesis workflows.

Main Results:

• Successful formation of disulfide bonds directly on DNA-scaffolded molecules.
• Demonstration of wide applicability across various substrates.
• Swift implementation, indicating high efficiency and robustness.
• Access to diverse and pharmaceutically relevant chemical motifs.

Conclusions:

• The developed on-DNA oxidative disulfide formation method is efficient and versatile.
• This methodology significantly enhances the capabilities of DNA-encoded library synthesis.
• It provides a valuable tool for discovering novel drug candidates.