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An efficient process for the synthesis of cyclic HPMPC.
Nucleosides, Nucleotides & Nucleic Acids
|September 21, 2001
Summary
A new method efficiently synthesizes 1-[((S)-2-Hydroxy-2-oxo-1,4,2-dioxaphosphorinan-5-yl)methyl] cytosine (cyclic HPMPC) in large quantities. This process yields high-purity cyclic HPMPC with easily removable by-products.
Area of Science:
- Organic Chemistry
- Medicinal Chemistry
- Process Chemistry
Background:
- 1-[((S)-2-Hydroxy-2-oxo-1,4,2-dioxaphosphorinan-5-yl)methyl] cytosine (HPMPC) is a relevant chemical entity.
- Scalable synthesis of HPMPC derivatives is crucial for further research and development.
Purpose of the Study:
- To develop a scalable and efficient synthesis for cyclic HPMPC.
- To optimize reaction conditions for high yield and purity.
Main Methods:
- Dehydrative intramolecular cyclization of HPMPC.
- Treatment with ethyl chloroformate in a DMF suspension.
- Purification through removal of benign by-products and solvents.
Main Results:
- Gram to multi-kilogram quantities of cyclic HPMPC were synthesized.
- The process achieved a 94% isolated yield.
- High purity of the final product was obtained.
Conclusions:
- The described method provides a robust and scalable route to cyclic HPMPC.
- This efficient synthesis facilitates larger-scale applications and further investigations.