Pyridazine and pyrimidine compounds active on the central nervous system as sedatives or anticonvulsants
US4624952A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1984 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Jan 16, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to the compounds of formula ##STR1## in which X.sub.1 represents N or ##STR2## X.sub.2 represents N or ##STR3## provided that X.sub.1 and X.sub.2 are different from each other; R.sub.1 and R.sub.2 being --(CH.sub.2).sub.n OH wherein n is 1 to 4 or ##STR4## represents a saturated heterocycle with 5 or 6 groupings containing one nitrogen atom as heteroatom, substituted in 3 or 4 position for example by (CH.sub.2).sub.m OR.sub.6 where R.sub.6 is H or an acyl radical or an amido radical; to a process for preparing said compounds; and to the drugs containing said compounds active in particular on the central nervous system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.