Tetracyclic condensed heterocyclic compounds and their use
US5620973A · kind A · utility
7Cited by
3References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1994 |
| Grant date | Apr 15, 1997 |
| Priority date | — |
| Expiry date | Oct 25, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel compound of the formula ##STR1## wherein Ar represents a tetracyclic fused heterocyclic group which may be substituted; R.sup.1 represents H or a hydrocarbon group which may be substituted; Y represents an amino or nitrogen-containing saturated heterocyclic group which may be substituted, its salt, inhibiting excellent cholinesterase inhibitory activity and monoamine uptake inhibitory activity, thus being useful as therapeutic and/or prophylactic medicaments of senile dementia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.