Stepwise Construction of Disulfides in Peptides.

Area of Science:

• Biochemistry
• Organic Chemistry
• Medicinal Chemistry

Background:

• Disulfide bonds are vital for peptide and protein conformation, biological activity, and stability.
• They are common in biologically significant peptide hormones and toxins.
• Many approved drugs contain disulfide bonds, highlighting their therapeutic importance.

Purpose of the Study:

• To review methods for the regiospecific, stepwise construction of multiple disulfide bonds in peptide chemical synthesis.
• To provide a reference for peptide chemists working on complex peptide syntheses.
• To encourage further advancements in disulfide bond formation methodologies.

Main Methods:

• Focuses on chemical synthesis approaches for constructing disulfide bonds.
• Highlights techniques for regiospecific and stepwise formation of multiple disulfides.
• Discusses methodologies developed alongside solid-phase peptide synthesis.

Main Results:

• Summarizes established methods for disulfide bond construction in peptide synthesis.
• Emphasizes the importance of regiospecificity and stepwise approaches for multiple disulfides.
• Provides insights into structure-function relationships through chemical synthesis.

Conclusions:

• Chemical synthesis is essential for understanding disulfide-containing biomolecules.
• Advanced methodologies enable precise construction of complex disulfide patterns.
• This review serves as a resource and catalyst for future research in peptide disulfide chemistry.