Patent ID: 8445523

Claim:
A compound of formula (I): in which: R 1 represents: a halogen, or a group C 1-6 alkyl, C 3-7 cycloalkyl, C 1-6 alkyloxy, C 1-6 fluoroalkyl, or C 1-6 fluoroalkyloxy, or a group —(CH 2 ) n —C 3-7 cycloalkyl, R 2 and R 3 are identical or different and represent: a hydrogen, chlorine, fluorine, bromine or iodine atom, or a group C 1-6 alkyl, C 3-7 cycloalkyl, C 1-6 alkyloxy, C 1-6 fluoroalkyl, C 1-6 fluoroalkyloxy, or a group —(CH 2 ) n —C 3-7 cycloalkyl, R 4 and R 4 ′ are identical or different and represent: either a hydrogen atom, and in this case R 4 and R 4 ′ are different, or a group C 1-6 alkyl optionally substituted with one to three groups Ra, or a group C 3-7 cycloalkyl or a group —(CH 2 ) n —C 3-7 cycloalkyl, the groups R 4 and R 4 ′ possibly forming with the carbon atom that bears them a group C 3-7 cycloalkyl or a heterocycle, R 5 represents a heteroaryl group containing either a) from 1 to 4 nitrogen atoms or b) an oxygen or sulfur atom and 1 or 2 nitrogen atoms, optionally substituted with one to three identical or different groups R a , R a represents: either a hydrogen, fluorine or chlorine atom, or a group C 1-6 alkyl, C 3-7 cycloalkyl, C 1-6 alkyloxy, C 1-6 alkylthio, C 1-6 fluoroalkyl, C 1-6 fluoroalkyloxy, —(CH 2 ) n —C 3-7 cycloalkyl, OH, CH 2 OH, COOR b or CN, R b represents a group C 1-6 alkyl, C 3-7 cycloalkyl or —(CH 2 ) n —C 3-7 cycloalkyl, n is an integer equal to 1, 2 or 3, and also pharmaceutically acceptable salts, solvates or hydrates thereof and conformers or rotamers thereof.