Purification of progesterone receptor modulators
US7514466B2 · kind B2 · utility
15Cited by
57References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 25, 2005 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Apr 14, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D413/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Methods for purifying a compound of formula I are provided, wherein A, B X, Q, and R1 are defined herein.The methods include mixing the compound of formula I and a solvent; adding a base to the solvent; and precipitating purified compound of formula I.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.