Process and intermediates for preparing 17-halogenated 19-norsteroid compounds
US7449572B2 · kind B2 · utility
2Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2004 |
| Grant date | Nov 11, 2008 |
| Priority date | — |
| Expiry date | Aug 15, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J75/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a process for preparing compounds of formula (I):in which R1, R2, R3, n and X are as defined in the description, and to the intermediate compounds for implementing this process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.