1,2,4,-triazin-3,5-dione compound

Abstract

The invention relates to a compound of the formula I:wherein A is a saturated or unsaturated hydrocarbon chain having a chain length of 4 to 6 carbon atoms, the hydrocarbon chain being unsubstituted or substituted by 1, 2 or 3 methyl groups; R1 is selected from the group consisting of hydrogen, C1-C3 alkyl and fluorinated C1-C3 alkyl; R2 is hydrogen, halogen, cyano, C1-C3 alkyl, C1-C3 alkoxy, fluorinated C1-C3 alkyl or fluorinated C1-C3 alkoxy; R3 is selected from the group consisting of branched C4-C6 alkyl and C3-C6 cycloalkyl, and R4 is C1-C6 alkyl, C3-C6 cycloalkyl, fluorinated C1-C3-alkyl and fluorinated C3-C6 cycloalkyl. The invention also relates to a pharmaceutical composition that comprises at least one compound of the formula I, for treating disorders that respond beneficially to dopamine D3 receptor antagonists or dopamine D3 agonists.