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Total synthesis of lacosamide
1Institute of Organic Chemistry, Polish Academy of Sciences , Kasprzaka 44/52, 01-224 Warsaw, Poland.
The Journal of Organic Chemistry
|June 6, 2014
Summary
Researchers report the total synthesis of the anticonvulsant lacosamide. A key stereospecific rearrangement reaction transfers chirality, enabling efficient production of this important amino acid derivative.
Area of Science:
- Organic Chemistry
- Medicinal Chemistry
- Synthetic Chemistry
Background:
- Lacosamide is an anticonvulsant amino acid used to treat epilepsy.
- Efficient and stereoselective synthesis is crucial for pharmaceutical production.
- Previous synthetic routes may lack efficiency or stereochemical control.
Purpose of the Study:
- To report the total synthesis of lacosamide.
- To develop a stereoselective method for key bond formation.
- To utilize readily available chiral starting materials.
Main Methods:
- Stereospecific allyl cyanate-to-isocyanate rearrangement.
- Chirality transfer during the rearrangement step.
- Synthesis of enantiopure starting material from ethyl L-lactate.
Main Results:
- Successful total synthesis of lacosamide achieved.
- The key rearrangement reaction proceeded with high stereospecificity.
- Chirality was effectively transferred from the starting material to the product.
Conclusions:
- The developed synthetic route provides an efficient method for lacosamide production.
- The stereospecific rearrangement is a powerful tool for constructing chiral molecules.
- Utilizing ethyl L-lactate offers a practical source for enantiopure intermediates.