3,5-dioxo-(2H,4H)-1,2,4-triazine derivatives
US5977106A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | May 30, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D491/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel 3,5-dioxo-(2H,4H-triazine derivatives of general formula (I): wherein R.sub.1 is hydrogen, a C.sub.1 -C.sub.4 alkyl radical, phenyl C.sub.1 -C.sub.4 alkyl or phenyl, the phenyl ring being optionally substituted by one or more groupings such as (C.sub.1 -C.sub.3) alkyl, hydroxyl, trifluoromethyl or halogen: R.sub.2 is hydrogen or a (C.sub.1 -C.sub.4) alkyl radical, n can be an integer from 2 to 6; A is a grouping of the aryl piperazino or benzodioxanyl-methylamino or pyridodioxanyl-methylamino type. The invention also concerns a method of preparing said derivatives and pharmaceutical compositions comprising at least one of the compounds of general formula (I) as the active ingredient: ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.