Substituted alkylaminopyridazinone derivatives, process for the preparation thereof and pharmaceutical composition containing the same
US6930110B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2002 |
| Grant date | Aug 16, 2005 |
| Priority date | — |
| Expiry date | Sep 26, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/12
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to substituted alkylaminopyridazinone derivatives of the general Formula (I), (wherein R1 is hydrogen or alkyl having 1-4 carbon atoms; one of X and Y stands for hydrogen or halogen and the other represents a group of the general Formula (II), R2 is hydrogen or alkyl having 1-4 carbon atoms; n is 1, 2 or 3; R3 stands for hydrogen, alkyl having 1-4 carbon atoms or aryl-(C1-4 alkyl); Z stands for oxygen; or R3 and Z together with the groups placed between them form a piperazine ring; and R4 stands for hydrogen, halogen, trifluoromethyl or alkoxy having 1-4 carbon atoms) and pharmaceutically acceptable acid addition salts thereof. The invention compounds are useful in the treatment of anxiolytic conditions and cognitive disorders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.