Efficient synthesis of morphine and codeine
US8293927B2 · kind B2 · utility
0Cited by
3References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2010 |
| Grant date | Oct 23, 2012 |
| Priority date | — |
| Expiry date | Jan 17, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to methods for the synthesis of morphine, intermediates, salts and derivatives thereof. In preferred embodiments, the invention relates to methods for improving the efficiency and overall yield of said morphine, morphine related derivatives and intermediates thereof. In further embodiments, the invention relates to methods for improving the efficiency and overall yield of galanthamine and intermediates thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.