Bicyclic heterocycles, the preparation thereof, and their use as pharmaceuticals
US6114532A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1999 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Feb 2, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/65068
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to 5-membered heterocyclic condensed benzoderivatives of formula ##STR1## wherein R.sub.a to R.sub.c, A, X and Y are defined as in claim 1, the tautomers, stereoisomers, mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases which have valuable properties. The compounds of the above formula I wherein R.sub.c denotes a cyano group are valuable intermediates for preparing the other compounds of formula I, and the compounds of the above formula I wherein R.sub.c denotes one of the following amidino groups and the tautomers and stereoisomers thereof have valuable pharmacological properties, particularly an antithrombotic activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.