Methods for the preparation of diasteromerically pure phosphoramidate prodrugs
US9487544B2 · kind B2 · utility
43Cited by
35References
1Claims
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Key dates
| Filing date | Jun 22, 2015 |
| Grant date | Nov 8, 2016 |
| Priority date | — |
| Expiry date | Jun 22, 2035 |
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.