Highly stereoselective process for preparing gemcitabine and intermediates thereof
US8324373B2 · kind B2 · utility
2Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2007 |
| Grant date | Dec 4, 2012 |
| Priority date | — |
| Expiry date | Aug 15, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07H3/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a novel and highly stereoselective process for preparing gemcitabine, which is suitable for industrial production, wherein, it includes the following reactions. Additionally, the invention discloses the key intermediates. The definition for the groups of G1, G2, G3, G4, and G5 are described in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.