Preparation of low impurity opiates in a continuous flow reactor
US8921557B2 · kind B2 · utility
4Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2011 |
| Grant date | Dec 30, 2014 |
| Priority date | — |
| Expiry date | Mar 21, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D489/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a novel process for preparing opiates or salts thereof. More particularly, the present invention relates to oxidizing the starting material in a continuous flow reactor, followed by either an isolation of the intermediate, or a direct reduction reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.