The present invention relates to a compound 1,2,3,4 - tetrahydropyrido [2,3 - b] pyrazin - 7 - amines of formula (i), its addition salts, its optical isomers, geometrical isomers, the object and / or its solvates: in which: • r2, r3, r4, r5, and r7 are independently - a hydrogen or halogen - an alkyl radical at c4 c1 - - a hydroxyalkyl radical (c1 - c4) - a carboxyl radical - an alkoxy radical (c1 - c4) carbonyl. • r1 and r6 are identical or different, represent: - a hydrogen atom - an alkyl radical at c1 - c10, preferably by c1 - c6 - optionally interrupted by one or more heteroatoms chosen from o, s or by one or more groups - nr and / or - optionally completed by at least one group - nx1x2 or least one group - ox3, x1, x2 are independently - a hydrogen atom, a linear alkyl radical c1 - c6, c3 - c6 branched alkyl radical, a hydroxyalkyl radical c1 - c6 linear or a hydroxyalkyl radical c3 - c6, branched, x1 and x2 can form with the nitrogen atom to which the door, a heterocycle of 5 to 8, saturated or unsaturated heterocycle, one of the members may be a hetero atom chosen from o, s and n said heterocycle may be optionally substituted by one or more linear or branched alkyl radicals c1 - c4 or hydroxyalkyl in c1 - c4. • x3 designates - a hydrogen atom - a linear alkyl radical c1 - c4 and c3 - c4 and r denotes - a hydrogen atom - an alkyl radical c1 - c4 linear.Linvention a pour objet un composé 1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-7-amines de formule (I) suivante, ses sels daddition, ses isomères optiques, isomères géométriques, tautomères et/ou ses solvates:dans laquelle :• R2, R3, R4, R5, et R7 représentent indépendamment- un atome dhydrogène ou dhalogène- un radical alkyle en C1-C4- un radical hydroxyalkyle en (C1-C4)- un radical carboxyle- un radical alcoxy(C1-C4)carbonyle.• R1 et R6 identiques ou différents représentent :- un atome dhydrogène- un radical alkyle en C1-C10, de préférence en C1-C6- éventuellement interrompu par un ou plusieurs hétéroatomes chois
