Process for preparing N-aminocarbarbamates related to physostigmine
US4937341A · kind A · utility
9Cited by
1References
1Claims
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Key dates
| Filing date | Nov 24, 1989 |
| Grant date | Jun 26, 1990 |
| Priority date | — |
| Expiry date | Nov 24, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There are disclosed various derivatives of physostigmine and related compounds of the formula below, ##STR1## where X, R.sub.1, R.sub.2 and R.sub.3 are as defined in the specification, which compounds are useful for alleviating various memory dysfunctions characterized by a cholinergic deficit such as Alzheimer's disease.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.