Methods for the preparation of diasteromerically pure phosphoramidate prodrugs
US9090642B2 · kind B2 · utility
87Cited by
34References
34Claims
0Family size
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Key dates
| Filing date | Jul 19, 2011 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Jan 21, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H19/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are methods and intermediates for preparing diastereomerically pure phosphoramidate prodrugs of nucleosides of Formulas Ia and Ib:The compounds of Formula Ia and Ib are useful for the treatment Hepatitis C infections.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.