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Multicomponent Synthesis of the SARS-CoV-2 Main Protease Inhibitor Nirmatrelvir
H Daniel Preschel1, Ruben T Otte1, Ying Zhuo2
1Department of Chemistry & Pharmaceutical Sciences, Amsterdam Institute of Molecular & Life Sciences (AIMMS), Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands.
A new, efficient synthesis of nirmatrelvir, an oral antiviral for treating COVID-19, was developed. This process utilizes biocatalysis and multicomponent reactions, avoiding transition metals for a greener and more economical production of this vital drug.
Area of Science:
- Organic Chemistry
- Medicinal Chemistry
- Biocatalysis
Background:
- The COVID-19 pandemic highlighted the need for accessible antiviral medications.
- Nirmatrelvir is an effective oral treatment for SARS-CoV-2, particularly for vulnerable populations.
Purpose of the Study:
- To develop a novel, efficient, and sustainable synthesis of nirmatrelvir.
- To implement key biocatalytic and multicomponent reactions for improved drug manufacturing.
Main Methods:
- Enantioselective biocatalytic desymmetrization achieving >99% enantiomeric excess.
- Diastereoselective multicomponent reaction yielding >25:1 diastereomeric ratio.
- Synthesis route designed to avoid transition metals and peptide coupling reagents.
Main Results:
- A highly efficient and atom-economic synthesis of nirmatrelvir was achieved.
- The key steps demonstrated exceptional stereoselectivity, ensuring drug purity.
- The process is suitable for large-scale production of an essential antiviral medication.
Conclusions:
- The developed synthetic route offers a sustainable and efficient method for nirmatrelvir production.
- This advancement is crucial for ensuring global access to effective COVID-19 treatments.
- The methodology showcases the power of biocatalysis in modern pharmaceutical synthesis.
