Method of preparation of physostigmine carbamate derivatives from eseroline ethers
US5677457A · kind A · utility
4Cited by
29References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1996 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Dec 19, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a novel process for the preparation of physostigmine carbamate derivatives and to pharmaceutically acceptable salts thereof. The present invention further relates to a novel process for the preparation of eseroline derivatives and to pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.