Synthesis of Glycoconjugates through Chlorooxime-Thiol Conjugation

Area of Science:

• Carbohydrate Chemistry
• Bioconjugation Chemistry
• Medicinal Chemistry

Background:

• Therapeutic biomolecules can have improved pharmacological properties through glycan modification.
• Developing efficient and versatile bioconjugation strategies is crucial for drug development.

Purpose of the Study:

• To report an efficient synthesis of glycoconjugates using a novel chlorooxime-thiol conjugation method.
• To demonstrate the broad applicability of this method for various thiol-containing substrates.

Main Methods:

• Synthesis of reactive glycosyl chlorooximes from pyranoses and furanoses.
• Coupling of glycosyl chlorooximes with thiol-containing substrates (peptides, sugars, thiophenols).
• Optimization of reaction conditions for mildness and speed.

Main Results:

• The chlorooxime-thiol conjugation efficiently formed glycoconjugates.
• The method demonstrated fast kinetics and compatibility with aqueous media.
• Gram-scale synthesis was achieved, indicating scalability.

Conclusions:

• The chlorooxime-thiol conjugation is a versatile and efficient method for synthesizing glycoconjugates.
• This approach holds significant potential for the bioconjugation of saccharides with biologically active molecules.
• The method's mild conditions and scalability make it attractive for pharmaceutical applications.