Purification of progesterone receptor modulators
US8309594B2 · kind B2 · utility
5Cited by
65References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2009 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Mar 14, 2031 |
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.