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Synthesis of diverse macrocyclic peptidomimetics utilizing ring-closing metathesis and solid-phase synthesis
Anthony G M Barrett1, Alan J Hennessy, Ronan Le Vézouët
1Department of Chemistry, Imperial College London, South Kensington, UK. agmb@imperial.ac.uk
The Journal of Organic Chemistry
|February 14, 2004
Summary
Researchers synthesized biologically stable, rigidified macrocycles using advanced metathesis reactions. These peptidomimetic structures offer versatile functionalization for drug discovery and materials science applications.
Area of Science:
- Organic Chemistry
- Medicinal Chemistry
- Materials Science
Background:
- Cyclic peptides are important biological molecules but often lack stability.
- Peptidomimetics offer a stable alternative to natural peptides.
- Developing synthetic routes to functionalized macrocycles is crucial for drug discovery.
Purpose of the Study:
- To synthesize highly functionalized peptidomimetic macrocycles.
- To create rigidified macrocyclic structures with enhanced biological stability.
- To demonstrate versatile methods for peripheral functionalization of these macrocycles.
Main Methods:
- Ring-closing metathesis reactions.
- Enyne tandem cross-metathesis-ring-closing metathesis reactions.
- Diels-Alder reactions, palladium(0) coupling, and amide formation for functionalization.
Main Results:
- Successful synthesis of diverse, highly functionalized peptidomimetic macrocycles.
- Achieved rigidified macrocyclic structures mimicking cyclic peptides.
- Demonstrated peripheral functionalization via multiple reaction pathways.
- Showcased applicability of both solution-phase and polymer-supported syntheses.
Conclusions:
- Metathesis reactions provide efficient access to stable, functionalizable peptidomimetic macrocycles.
- The developed macrocyclic templates are suitable for creating biologically relevant molecules.
- Peripheral functionalization strategies enable diverse applications in medicinal chemistry and beyond.