Cross-conjugated 2,5-cyclohexadienone and related synthesis methods
US8362283B2 · kind B2 · utility
0Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 2010 |
| Grant date | Jan 29, 2013 |
| Priority date | — |
| Expiry date | Aug 2, 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 galanthamine, 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.