Process for the preparation of 6-alpha-hydroxy-N-alkylated opiates
US8273888B2 · kind B2 · utility
3Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2009 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Dec 23, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is directed to the preparation of 6-keto morphinans.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.