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Updated: Sep 19, 2025

Constructing Cyclic Peptides Using an On-Tether Sulfonium Center
Published on: September 28, 2022
Synthesis of Sulfonopeptides
1College of Chemistry, Beijing University of Chemical Technology, Beijing, China. jxxu@mail.buct.edu.cn.
Sulfonopeptides, sulfur analogs of peptides, are effective enzyme inhibitors. This study details a synthetic method using sulfonyl chlorides and amino acid/peptide esters for their preparation.
Area of Science:
- Medicinal Chemistry
- Organic Synthesis
- Biochemistry
Background:
- Sulfonopeptides are sulfur analogs of peptides.
- They act as enzyme inhibitors due to their tetrahedral structure, mimicking transition states.
- This structure is crucial for inhibiting amide and ester hydrolysis.
Purpose of the Study:
- To describe a synthetic method for sulfonopeptides.
- To provide a reliable route for accessing these enzyme inhibitors.
Main Methods:
- The synthesis involves coupling sulfonyl chlorides with amino acid/peptide esters.
- This method utilizes a widely adopted coupling strategy in organic synthesis.
Main Results:
- A viable synthetic route for sulfonopeptides is presented.
- The described method facilitates the preparation of these enzyme inhibitors.
Conclusions:
- The coupling of sulfonyl chlorides and amino acid/peptide esters is an effective method for sulfonopeptide synthesis.
- This synthetic approach is valuable for developing new enzyme inhibitors.
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