Process for the preparation and purification of eplerenone
US7851619B2 · kind B2 · utility
0Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2007 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Sep 14, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J21/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation and purification of Eplerenone is described wherein hydroxylated impurities are removed using a novel derivatization procedure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.