Processes for the selective amination of ketomorphinans
US8269006B2 · kind B2 · utility
1Cited by
23References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2009 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Dec 19, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is generally directed to a process for the preparation of a ketomorphinan comprising maintaining a ketone group as unprotected and performing reductive amination using a hydrogen source and a catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.