Process for the preparation of 6-alpha-hydroxy-N-alkylated opiates
US8524904B2 · kind B2 · utility
0Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2009 |
| Grant date | Sep 3, 2013 |
| Priority date | — |
| Expiry date | Jul 7, 2031 |
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-hydroxy morphinans having formula (II) or N-alkylated 6-hydroxy morphinans having formula (III).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.