Substituted pyrido-pyrimidine compound

Abstract

This invention concerns a compound of formula (I): in which: R1 represents a (C1-C6) alkyl group or a NR2R3 or CH2COR4 group; R2 and R3 each independently represent a hydrogen atom or a (C1-C6) alkyl group; R4 represents a hydroxyl, (C1-C4) alkoxy, amino, (C1-C4) alkylamino or di(C1-C4) alkylamino group; Ar1 represents a radical selected from: Ar2 represents a phenyl group which is unsubstituted or substituted 1 to 5 times with similar or different substituents selected from a halogen atom and a (C1-C4)alkyl, trifluoromethyl or (C1-C4) alkoxy group. A preparation process and the therapeutic application thereof are also described.