Preparation of physostigmine carbamate derivatives from physostigmine
US5498726A · kind A · utility
4Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1994 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Mar 22, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P25/28
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This application relates to a new process for the preparation of a product of the formula ##STR1## wherein R, R.sup.1, R.sup.2, X and m are as defined within, which process comprises preparing treating a compound such as physostigmine to form eseroline which is then treated with an appropriate compound or its equivalent. Acetic acid is added to the reaction mixture after the formation of eseroline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.