Process for the preparation of morphinan-6-one compounds
US9908891B2 · kind B2 · utility
1Cited by
7References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2014 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | Feb 5, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides processes for preparing morphinan-6-one compounds, in particular oxymorphone and salts thereof, having improved impurity profiles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.