Process and intermediates for preparing emtricitabine
US7534885B2 · kind B2 · utility
2Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2004 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Dec 29, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is disclosed for the stereo-selective preparation of emtricitabine, which allows the desired product to be obtained in good yield and without the use of chromatographic techniques. The process for the production of emtricitabine of the formula (Ia)is characterized by the formation and isolation of intermediate compounds of formula (XIa)in salified form. Emtricitabine is a known antiviral drug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.