Patent ID: 7713971

Claim:
3,5-Dioxo-(2H,4H)-1,2,4-triazine compounds of formula I in which R 1 and R 2 can be identical or different and represent an alkyl or alkenyl radical, linear or branched, at C 1 -C 7 , an alkyl radical at C 1 -C 6 substituted by trifluoromethyl, cycloalkyl at C 5 -C 6 , nitrile, alkoxycarbonylvinyl at C 1 -C 4 , hydroxycarbonylvinyl, alkoxycarbonyl at C 1 -C 4 , carboxylate, benzyloxy or phenyl, wherein the core phenyl is optionally substituted by one or more alkyl at C 1 -C 4 , alkoxy at C 1 -C 4 , nitro, halogen or trifluoromethyl, YR 3 represents oxygen or NR 3 in which R 3 represents hydrogen, an alkyl or alkenyl radical, linear or branched at C 1 -C 7 , an alkyl radical at C 1 -C 6 substituted by trifluoromethyl or phenyl, wherein the core phenyl is optionally substituted by one or more alkyl at C 1 -C 4 , alkoxy at C 1 -C 4 , nitro, halogen or trifluoromethyl, Z represents an oxygen atom or a methylene group which can be bound in ortho, meta or para position on the phenyl group of formula I n can range from 0 to 5 when Z=C or from 2 to 4 when Z=O, X represents oxygen or sulfur, R 4 , R 5 , R 6 , R 7 and R 8 represent hydrogen or fluorine, R 9 , R 10 and R 11 represent hydrogen or an alkyl group, linear or branched, at C 1 -C 5 , or additive salt with pharmaceutically acceptable base thereof.